A High-Value Global Commodity

Lobster is among the most expensive seafood products in international markets, commanding premium prices in destinations such as China, the European Union, and the United States. Countries like Vietnam, Indonesia, and Australia have already made significant progress in lobster farming, turning it into a lucrative export sector. Vietnam alone produces thousands of tons annually through aquaculture, demonstrating how targeted investment and innovation can transform a niche resource into a major economic driver.

With global demand sky rocketing, particularly in luxury food markets, lobster farming offers an attractive opportunity for countries seeking to diversify their seafood exports and increase foreign earnings.

Bangladesh’s Untapped Potential

Bangladesh possesses several natural advantages that make it suitable for lobster aquaculture. The coastal regions of Cox’s Bazar, Teknaf, and St. Martin’s Island provide favorable environmental conditions, like optimal salinity, temperature, and habitat structures. Additionally, spiny lobster species such as Panulirus are already found in these waters, indicating that the ecological foundation for farming exists.

Despite these advantages, lobster aquaculture remains virtually non-existent in Bangladesh. Current activities are limited to small-scale capture fisheries, with little to no effort toward farming or commercialization. This gap highlights a significant missed opportunity in the country’s broader blue economy strategy.

Barriers to Development

One of the primary obstacles in lobster farming is the lack of hatchery technology. Unlike shrimp or finfish, lobster larvae undergo a complex and lengthy developmental process known as the phyllosoma stage. This stage can last several months and requires highly controlled conditions, specialized feeding, and advanced technical knowledge. As a result, most lobster farming countries still depend heavily on wild seed collection, which raises sustainability concerns.

Infrastructure is another limiting factor. Successful lobster aquaculture requires well-developed systems for water quality management, disease control, and feed supply. Bangladesh’s current aquaculture infrastructure, while improving, is still largely tailored to shrimp and freshwater fish, leaving a gap in capacity for high-value species like lobster.

Additionally, financial risks and high initial investment costs discourage entrepreneurs from entering this lucrative and promising sector. Without proven models or pilot projects within the country, investors remain cautious about committing resources to what is perceived as a high-risk venture.

The Science Behind the Challenge

From a scientific perspective, lobster farming is one of the most complex forms of aquaculture. The larval stage alone presents significant difficulties. The phyllosoma larvae are transparent, delicate, and require specific live feeds that are not easily available or standardized. Survival rates during this stage are typically low, making hatchery production both challenging and costly.

Furthermore, lobsters are sensitive to environmental changes. Fluctuations in temperature, salinity, or water quality can lead to stress, disease, and mortality. Maintaining stable conditions requires advanced monitoring systems and skilled management resources that are still developing in Bangladesh’s aquaculture sector.

However, these challenges are not insurmountable. With proper research, training, and technology transfer, many countries have gradually improved their success rates in lobster farming.

Lessons from Other Countries

The experiences of other nations offer valuable lessons for Bangladesh. Vietnam, for instance, has developed a thriving lobster farming industry primarily based on sea cage culture. However, its heavy reliance on wild seed has raised concerns about environmental sustainability and resource depletion.

Australia, on the other hand, has invested heavily in scientific research to develop hatchery-based production systems. While progress has been slow, this approach offers a more sustainable long-term solution.

Indonesia presents a mixed picture, with rapid expansion followed by regulatory challenges aimed at protecting wild stocks. These global examples highlight a key insight: successful lobster aquaculture requires a balance between economic ambition and environmental responsibility.

A New Opportunity for the Blue Economy

For Bangladesh, lobster farming represents a potential game-changer for the blue economy and seafood. It will make a paradigm shift in foreign currency earning from mariculture. First, it offers a high-value export product that can significantly increase foreign exchange earnings. Compared to traditional fish species, lobsters yield much higher returns per unit, making them attractive for both small-scale farmers and large investors.

Second, it can create new livelihood opportunities in coastal communities. By diversifying beyond shrimp farming, which is already facing challenges from disease and environmental changes, lobster aquaculture can reduce economic vulnerability.

Third, it aligns with Bangladesh’s broader goals of sustainable marine resource utilization. With proper planning, lobster farming can be integrated into environmentally responsible aquaculture systems that minimize ecological impact.

The Way Forward

To unlock this untapped potential, Bangladesh must take a strategic and research-driven approach.

Investment in scientific research is essential, particularly in developing hatchery technology and improving larval survival rates. Collaboration with international research institutions and countries experienced in lobster farming could accelerate this process.

Pilot projects should be initiated in suitable coastal areas to test different farming methods and assess their economic viability. These projects can serve as learning platforms for both policymakers and entrepreneurs.

Capacity building is equally important as well. Training programs for farmers, technicians, and researchers will be necessary to develop the skills required for managing such a complex aquaculture system.

Finally, supportive government policies and incentives can encourage private sector participation. Clear regulations, access to financing, and infrastructure development will be key to attracting investment. Lobster aquaculture in Bangladesh is still in its infancy but its potential is undeniable. The country has the natural resources, the growing aquaculture expertise, and the strategic need to diversify its seafood sector. What it lacks is a coordinated effort to transform this opportunity into reality. In the coming years, as global demand for high-value seafood continues to rise, Bangladesh can become an active player in this lucrative market. With the right blend of science, policy, and investment, lobster farming could indeed become a cornerstone of the nation’s blue economy.

Md. Shofiullah
Student, Department of Oceanography
Noakhali Science and Technology University

The post Can lobster farming contribute to Bangladesh’s blue economy? appeared first on Seafood Network BD.

Small Indigenous Species (SIS), such as Mola and Dhela, supply essential micro-nutrients, strengthening nutrition and reducing malnutrition (SDG 2 and SDG 3). At the same time, income generated from rural aquaculture improves access to clean water and sanitation (SDG 6), creates employment across production and processing (SDG 8), and reduces poverty and inequality (SDG 1 and SDG 10). Innovative farming systems, including rice-fish and integrated fish-vegetable ponds, support climate action (SDG 13) while conserving aquatic biodiversity (SDG 14) and promoting responsible consumption (SDG 12).

From stabilizing urban fish supplies through rooftop and peri-urban aquaponics (SDG 11) to fostering partnerships among government, private enterprises, and research institutions (SDG 16 and SDG 17), Bangladesh’s aquaculture sector illustrates the potential of a climate-adapted, sustainable, and socially inclusive food system. This story is not just about production; it reflects how a deltaic nation is transforming environmental and socioeconomic challenges into opportunity, offering a blueprint for the Global South on the path toward the 2030 SDGs.

The Economic Anchor: From Ponds to Prosperity

Bangladesh’s aquaculture transformation is remarkable. By 2026, the sector contributes over 3.5% to national GDP and roughly 25.7% to agricultural GDP, supporting the livelihoods of nearly 19 million people, or about 12% of the population.

The country is also moving beyond raw exports toward value-added production. Modern processing facilities in Khulna and Chattogram now comply with stringent EU and US traceability, HACCP standards, allowing Bangladesh to compete in premium international seafood markets.

Innovations such as Integrated Multi-Trophic Aquaculture (IMTA), cultivating shrimp alongside seaweed and mussels, are diversifying income streams while reducing ecological pressure, lowering the risks associated with monoculture dependency.

The “Nature’s Multivitamin” Strategy

While exports fuel economic growth, nutrition remains at the heart of Bangladesh’s aquaculture strategy. Mola and Dhela are exceptionally rich in Vitamin A, iron, zinc, and essential fatty acids, making them critical in combating micro-nutrient deficiencies that remain widespread in rural communities. Unlike larger commercial species, SIS are often consumed whole head, bones, and organs maximizing their nutritional impact, particularly for women and children.

Through carp-SIS polyculture systems, farmers are not only increasing productivity but also reshaping household nutrition. Larger carp generate income in the market, while SIS are retained for family consumption, creating a built-in mechanism for both income security and dietary diversity. This integrated approach directly supports SDG 2 (Zero Hunger) and SDG 3 (Good Health and Well-being), with growing evidence linking it to reductions in childhood stunting and hidden hunger in aquaculture-dependent communities.

More than a farming technique, this model represents a paradigm shift in which aquaculture is no longer viewed solely as a source of revenue, but as a public health intervention embedded within food systems. In doing so, Bangladesh is positioning itself at the forefront of nutrition-sensitive aquaculture, offering a scalable and replicable solution for other developing nations facing similar challenges.

Innovation Under Pressure: The Tech-Driven Delta

Climate stress has become a catalyst for innovation across Bangladesh’s aquaculture landscape, driving a shift from traditional practices to data-driven and climate-adaptive systems.

In key production hubs such as Mymensingh and Jessore, “Smart Pond” technologies are redefining farm management. IoT-enabled sensors continuously track critical water quality parameters such as dissolved oxygen, pH, and temperature are translating real-time data into actionable insights delivered directly to farmers’ mobile devices. This precision-based approach not only optimizes feeding and reduces input costs but also minimizes the risk of sudden mass mortality events, a major source of financial loss in aquaculture.

At the same time, Bangladesh’s salinity-affected coastal belt is undergoing a strategic transformation. Through salt-tolerant aquaculture, farmers are diversifying into high-value species such as Artemia (brine shrimp), mud crab, and brackish-water finfish like sea bass (Koral). This shift reflects a broader transition from vulnerability to climate-smart resource utilization, where saline intrusion is no longer a constraint but a productive asset.

Rather than resisting environmental change, Bangladesh is learning to work with it, leveraging technology and ecological adaptation to convert climate pressure into economic opportunity. In doing so, the country is setting a precedent for how aquaculture systems in climate-vulnerable regions can evolve to remain both resilient and profitable.

The Social Fabric: Inclusion Beneath the Surface

Sustainability in Bangladesh’s aquaculture sector is not only ecological or economic; it is fundamentally social. The long-term success of the Blue Revolution is increasingly tied to how equitably its benefits are distributed across communities.

Women are emerging as key actors within the aquaculture value chain, particularly in feed management, hatchery operations, and post-harvest processing. Their participation is not merely supportive; it is reshaping household economies by increasing income stability, improving nutrition, and strengthening decision-making roles within families.

At the same time, Community-Based Aquaculture (CBA) models are opening new pathways for inclusion. By granting landless and marginalized groups access to government-owned water bodies (Khas lands), these initiatives are transforming common resources into shared economic assets. This approach not only creates livelihoods but also fosters local stewardship, accountability, and collective management of aquatic resources.

Together, these inclusive practices ensure that the gains of aquaculture extend beyond commercial producers, embedding resilience at the community level. In this sense, Bangladesh’s aquaculture model is not only productive but also demonstrates how social equity can be integrated into the foundation of sustainable blue growth.

Challenges on the Horizon

Despite its rapid growth, Bangladesh’s aquaculture sector faces a set of interconnected challenges as it moves toward its ambitious 2031 production target of 8.5 million metric tons. Addressing these constraints will be critical for sustaining long-term growth and global competitiveness.

1. Feed Sustainability and Cost Pressure

The sector remains heavily dependent on imported fishmeal and fish oil, exposing farmers to global price volatility and supply disruptions. Developing alternative protein sources such as insect-based feed, algae, and agricultural by-products is essential to reduce costs and improve environmental sustainability.

2. Climate Volatility and Environmental Stress

Rising temperatures, erratic rainfall, salinity intrusion, and increasingly frequent cyclones continue to threaten production systems. Strengthening climate-resilient infrastructure is crucial to minimize losses and ensure continuity.

3. Traceability and Market Compliance

As export markets tighten regulations, particularly in the EU and US, ensuring end-to-end traceability has become a necessity. However, integrating smallholder farmers into digital tracking systems remains a challenge, requiring investment in technology, training, and standardized protocols.

4. Disease Management and Biosecurity

Disease outbreaks, especially in shrimp farming, pose a persistent risk to productivity and export stability. Weak biosecurity practices and limited diagnostic capacity can lead to large-scale losses. Strengthening early warning systems, hatchery standards, and farm-level biosecurity is essential.

5. Access to Finance and Technology

Small-scale farmers often lack access to affordable credit, insurance, and modern technologies. This limits their ability to adopt innovations such as smart aquaculture systems, quality feed, and improved seed. Expanding financial inclusion and extension services is key to scaling sustainable practices.

6. Governance and Institutional Coordination

Fragmented policies, regulatory gaps, and limited coordination among stakeholders can slow progress. Strengthening governance frameworks, public-private partnerships, and research-extension linkages will be critical to ensure coherent sectoral development.

Aquaculture sets Bangladesh apart through its ability to align economic growth with social and environmental priorities. From improving rural livelihoods and nutrition through Small Indigenous Species (SIS) to advancing climate-smart practices and inclusive governance, the sector has evolved into a multi-dimensional development engine. Its experience demonstrates that even under intense climate pressure, vulnerability can be transformed into opportunity through innovation, policy support, and community engagement.

As the world moves closer to the 2030 Sustainable Development Goals (SDGs), the lessons emerging from Bangladesh’s delta are clear: the future of aquaculture lies not only in increasing production, but in building systems that are resilient, equitable, and environmentally sound. In this regard, Bangladesh offers a compelling blueprint for the Global South, where water is being reimagined as a foundation for sustainable growth and shared prosperity.

Md. Shofiullah
Student, Department of Oceanography
Noakhali Science and Technology University

The post The Blue Revolution: How Bangladesh is decoding the future of sustainable aquaculture appeared first on Seafood Network BD.

Over the last three decades, shrimp farming in saline and semi-saline ponds has expanded rapidly and become a dominant livelihood strategy in many coastal areas. The coastal region, comprising 19 districts and home to nearly 38 million people, relies heavily on agriculture, aquaculture, and small-scale fisheries. Today, communities on the frontline of climate change are struggling with rising salinity and declining freshwater availability, making the transition toward resilient and well-managed aquaculture more critical than ever for supporting fragile livelihoods.

Salinity intrusion refers to the movement of saline water into freshwater systems such as rivers, soils, and aquifers, causing profound physical and chemical changes. In Bangladesh, this process has accelerated due to natural drivers such as sea-level rise, tidal surges, and reduced dry-season river flows, alongside human-induced pressures including upstream freshwater diversion, poor water governance, unsustainable land-use practices, and inadequate regulation and management of coastal aquaculture systems. During dry seasons, when river discharge is insufficient to repel seawater, the saline front advances further inland, increasing both surface and groundwater salinity.

According to the Soil Resources Development Institute (SRDI), saline-affected land in Bangladesh expanded from 0.83 million hectares in 1973 to over 1.056 million hectares by 2019, an alarming increase that underscores the persistence and severity of the problem. This expanding salinity footprint directly threatens aquaculture systems that depend on stable water quality conditions.

Key Impacts on Aquaculture and Livelihoods
Shrimp aquaculture initially generated high to moderate profits, attracting farmers to convert agricultural land into saline ponds. However, over time, socio-economic benefits have declined due to frequent viral infections, disease outbreaks, poor drainage, and rising soil and water salinity across entire farming landscapes. Erratic rainfall, temperature stress, and increasing siltation of riverbeds have further reduced the suitability of coastal environments for both crops and aquaculture.

As a result, many farmers are now attempting to revert to paddy–aquaculture integrated systems, which are more socially acceptable, environmentally friendly, and better aligned with the delta’s natural ecology. In this climate-stressed region, smallholders increasingly seek resilient livelihood strategies capable of adapting to rapid biophysical and socio-economic changes.

The major impacts of salinity intrusion on aquaculture include:

Reduced Productivity: Elevated salinity levels severely affect freshwater fish species such as carp and tilapia, leading to high mortality rates and reduced overall aquaculture output.

Land Degradation: Unplanned and poorly managed conversion of farmland into saline aquaculture ponds can degrade soil structure, reduce fertility, and increase waterlogging, making land unsuitable for future agricultural use.

Increased Livelihood Risk: Inadequate institutional support and unequal access to resources in brackish water aquaculture systems can exclude marginal farmers, often resulting in land dispossession and loss of income for poorer households.

Disease Vulnerability: Salinity fluctuations weaken the immune systems of aquatic organisms, increasing susceptibility to disease and undermining long-term aquaculture sustainability.

Impacts on Communities and Food Security
The transition toward saline aquaculture systems has also reshaped rural society. Wealthy and influential actors often benefit disproportionately from shrimp farming, while traditional farmers and laborers face declining employment opportunities and widening income inequality.

Salinity-induced scarcity of drinking water, reduced crop production, and loss of grazing land for livestock have intensified health and nutritional challenges. Many households are forced into seasonal or permanent migration in search of alternative livelihoods. Declining availability of freshwater fish, milk, and vegetables has further weakened food and nutrition security in coastal communities.

Although some areas have adopted salinity-tolerant crops and integrated farming systems, the overall trend points toward increasing vulnerability, particularly for landless and smallholder households.

Drivers of Salinity Intrusion
The drivers of salinity intrusion in coastal Bangladesh are both climatic and anthropogenic. Climate change has intensified sea-level rise, altered monsoonal patterns, increased average temperatures, and heightened the frequency and intensity of cyclones and storm surges. These processes contribute to embankment breaches, tidal flooding, land erosion, and widespread saline water inundation.

Human interventions such as reduced upstream river flow due to dam construction, poorly planned embankments, deforestation, weak governance, and inadequate regulation and monitoring of coastal resource use have compounded these impacts. Cyclones such as sidr (2007) and Aila (2009) caused extensive and long-lasting salinization of agricultural lands, freshwater ponds, canals, and rivers, with consequences that persist to this day.

For many farmers, aquaculture remains a vital livelihood strategy, but its sustainability increasingly depends on improved management, governance, and climate-resilient practices.

Professional Management and Adaptation
Despite these challenges, the industry is moving toward modern, resilient technologies. Mismanagement is being replaced by scientifically informed strategies:

Automated Monitoring: Adoption of real-time IoT sensors allows farmers to manage tidal intake and prevent “salinity shocks”.

Advanced Systems: Implementing biofloc and closed-loop recirculating systems (RAS) minimizes the need for external water exchange.

Diversified Models: The “Golda-Paddy-Vegetable” model, using salt-tolerant varieties, stabilizes the farm ecosystem.

Infrastructure: Strengthening polder embankments and improving drainage canals are essential to prevent waterlogging.

By adopting optimal stocking densities and biosecurity measures, aquaculture improves its resilience and sustainability. Addressing salinity contributes to SDG 2 (Zero Hunger), SDG 12 (Responsible Consumption and Production), SDG 13 (Climate Action), and SDG 14 (Life Below Water).

The Sundarbans Context: Risk and Opportunity
Aquaculture in the Sundarbans and its surrounding islands is particularly vulnerable to climate change. Cyclones and storm surges frequently inundate fishponds with saline water, causing dyke failure, mass fish mortality, disease outbreaks, water quality deterioration, and escape of stocked species. Farmers often rely on short-term coping mechanisms that offer limited protection.

Long-term resilience requires scientifically informed adaptation strategies that reduce negative impacts while enhancing positive outcomes. As salinization continues, some areas may shift toward regulated brackish water aquaculture systems. However, such transitions must be carefully managed to avoid repeating past mismanagement practices and ensure proper planning, environmental safeguards, social equity, and sustainable seafood production.

Salinity intrusion is a present and escalating challenge for coastal livelihoods. Addressing it requires integrated planning, stronger governance, and climate-resilient aquaculture practices. With decisive action and improved management, Bangladesh can protect its coastal food systems and ensure sustainable seafood production for the future.

Md. Shofiullah
Student, Department of Oceanography
Noakhali Science and Technology University

The post Salinity intrusion in coastal Bangladesh: A silent threat to aquaculture appeared first on Seafood Network BD.

Driven by technologies such as cage culture, biofloc systems, pen culture, and ecosystem-based feeding, these innovations are not only mitigating climate risks but also unlocking new economic opportunities. The Paba Upazila is at the heart of this transition, with farmers reporting higher yields and better income through modern, sustainable methods.

Supporting this aquaculture revolution is the newly established Kharkhari Hygienic Fish Market, developed by NGO Ashrai under the Sustainable Enterprise Project (SEP). Funded by the Palli Karma-Sahayak Foundation (PKSF) and the World Bank, the market handles 50–60 tons of fish daily, offering critical facilities like digital weighing, live fish transport systems, and access to ice—all essential for maintaining product quality and value.

“Live fish reaching consumers safely while ensuring fair prices to farmers is our primary goal,” said Wali Ullah Mollah, Senior Upazila Fisheries Officer, Paba.

Through SEP, over 30% of trained participants are women, promoting gender equity in rural aquaculture. In a notable example, 25 ethnic minority women from Chapainawabganj’s Amnura area leased ponds and adopted natural feeding techniques to generate sustainable incomes. Elsewhere, 11 unemployed youths launched a community-run kole fish culture project in the Mohanonda River.

Aquaculture Growth in Numbers

Currently, Rajshahi boasts 13,050 hectares of fish ponds, yielding an estimated 84,000 metric tons of fish annually. The district sends 140–150 truckloads of live fish every day, mostly to Dhaka and other urban markets—generating an average of BDT 2 crore (approx. USD 165,000) in daily trade, according to District Fisheries Officer Jahangir Alam.

With better access to digital water testing kits, protective gear, and cold chain logistics, local traders and farmers are ensuring food safety and minimizing post-harvest losses.

Fish farmer Sadiqul Islam, who started his journey in 2007, now cultivates over 180 bighas (around 60 acres) and says, “Modern aquaculture and live fish marketing have made fish farming a highly profitable venture.”

In neighboring Puthiya Upazila, Ershad Ali adds, “With an investment of just BDT 1.5–2 lakh (USD 1,240–1,650), anyone can start farming by leasing land. The lease cost per bigha is now between BDT 20,000 and 30,000 (USD 165–250).”

Amzad Hossain from Keshorehat village earned a profit of BDT 15 lakh (USD 12,400) in a single year by producing over 30 tons of fish, thanks to early training and access to quality breeding inputs.

The ongoing surge in fish farming—particularly live fish trading—signals a new era for Rajshahi’s aquaculture economy. With robust institutional support and climate-smart strategies, the region is setting an example for sustainable aquaculture development across Bangladesh.

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The Beginning of an Entrepreneurial Journey

Ripon’s journey began in the 1990s, while he was a student at Govt. B. L. College. Unlike many of his peers, who aspired to traditional careers, Ripon had a different vision. He wanted to be an employer, not an employee.

What started as a small shrimp farm in a personal space soon turned into a flourishing business. Seeing positive returns, he decided to expand commercially in 2001. By 2007, his shrimp farming area had grown to 150 bighas, and today, he manages an impressive 1,800 bighas ( approx. 240 hectare) across six farms, employing around 500 workers.

“I never wanted a job. I always believed in creating opportunities rather than seeking them,” Ripon shared, reflecting on his early aspirations.

Overcoming Challenges to Build an Empire

Success did not come easy. Like many shrimp farmers in Bangladesh, Ripon faced numerous hurdles, from disease outbreaks to political resistance and environmental challenges.

“Shrimp farming was never easy,” he admitted. “There were constant challenges—diseases, extreme weather, and even opposition from influential individuals. But I knew that perseverance and innovation were the keys to overcoming them.”

During one of the toughest phases, Ripon found himself battling resistance from political figures over water extraction rights from the river. Despite these setbacks, he pushed forward, committed to his vision of revolution in shrimp farming.

Innovation and Expansion in Shrimp Farming

Ripon attributes much of his success to advanced techniques in shrimp farming, which he adopted with support from the Department of Fisheries. These techniques not only increased productivity but also set a benchmark for other farmers in the region.

His influence is evident. Neighboring shrimp farmers, such as Alauddin Sohag, acknowledge Ripon’s role as a trailblazer. “Farmers in the coastal belt now follow the path Ripon has set,” Sohag noted.

Beyond his own farming operations, Ripon supplies high-quality shrimp fries from Cox’s Bazar to other farmers, further strengthening the industry.

Today, his businesses, Royal Fish Trading and Royal Fish Culture, generate an annual revenue of Tk 10-12 crore (approx. a million in USD). And he has no plans of stopping. With an eye on further expansion, Ripon aims to make Bangladesh’s shrimp industry more competitive in the global market.

Recognition and Industry Leadership

Ripon’s dedication and contributions have earned him numerous awards at both upazila and district levels. He currently serves as:

• President of Khulna Divisional Hatchery Traders Association
• General Secretary of Paikgacha Upazila Shrimp Farmers Association

His work has also drawn appreciation from government officials and experts.

Khulna District Fisheries Officer Dr. Farhana Taslima remarked, “For years, shrimp farmers suffered losses due to traditional farming methods, disease outbreaks, and climate change. Ripon’s cluster farming approach has provided a sustainable model that is now helping local farmers thrive.”

The Future of Bangladesh’s Shrimp Industry

Ripon’s story is not just about personal success—it’s a testament to the potential of Bangladesh’s shrimp industry. With over 5,000 shrimp farms covering 20,000 hectares in Paikgacha alone, the sector holds immense opportunities.

Senior Upazila Fisheries Officer Saikat Mallik highlighted Ripon’s contribution, stating, “His leadership in the industry has inspired a new wave of entrepreneurs, proving that with modern techniques and the right mindset, shrimp farming can be a highly profitable venture.”

As Bangladesh’s shrimp sector continues to grow, it needs visionary leaders like Ripon who are willing to embrace innovation and overcome challenges. His journey—from a college student with a dream to a pioneer in sustainable shrimp farming—is an inspiration for the next generation of agri-entrepreneurs.

What’s next for Golam Kibria Ripon? He is already working on expanding production and exploring new export opportunities. If his past success is any indication, the future of Bangladesh’s shrimp industry looks brighter than ever with adopting modern methods and innovation.

The post From dream to success: The inspiring journey of Golam Kibria Ripon in shrimp farming from Paikgacha, Khulna appeared first on Seafood Network BD.

Pangas (Pangasianodon hypophthalmus) is an indigenous fish species of Thailand that has spread to Vietnam, Malaysia, Indonesia, China, and other countries. Thai Pangas were initially imported from Thailand and brought into Bangladesh by the Ministry of Fisheries and Livestock (MOFL) in 1990. The artificial breeding of Pangas introduced in 1993 by the Bangladesh Fisheries Research Institute (BFRI). Subsequently, farmers, entrepreneurs, and extension agents across the country adopted the breeding, seed production, and culture technology of Thai Pangas.

Pangas are profitable due to their consistent production, rapid growth, and high productivity. Low market prices drive strong local market demand. The majority of poor individuals consume pangas, and many rural people living below the poverty line work in the species’ production and marketing systems. Pangas grows faster, making it economically viable for commercial farming. It can attain harvestable size in a short time (typically 7 to 9 months). Pangas has a high feed conversion ratio, meaning it requires less feed to grow, making it more cost-efficient than some other species.

Vietnam is the largest producer and exporter of pangasius with almost half of the total global production. In the last year, Vietnam’s Pangas exports reached approximately 2 billion US$, marking a 9% increase from the previous year and accounting for 20% of the country’s total seafood export revenue. Currently, in Vietnam larger Pangas weighing over 1.2kg are selling at 1.29 US$/kg, a record extreme since 2022. While smaller fish, approximately 1kg in weight, exported to the EU countries and United States and sold to 1.10 US$. The current retail price of 1 kg of Vietnamese pangas fillet in Leicester, England, is about 550 BDT ($4.52). Import prices for China strengthened to US$2.01/kg, 7% increased price from late 2023. Vietnamese pangas are exported to more than 80 nations globally. Pangas from Vietnam are commonly exported to high-value countries due to its acceptability and low cost. Europe is the main market for Pangas and could be a possible destination for exports from Bangladesh.

Pangas fillets manufactured in Bangladesh frequently have yellow discoloration, which is viewed as lesser quality and less desirable by European consumers. Bangladeshi scientists have identified several potential causes of this discoloration, including high stocking densities, infrequent water exchange, elevated organic matter in pond water, the proliferation of carotenoid-containing cyanobacteria, the presence of artificial and natural pigments in feed, and inadequate post-harvest handling. European markets particularly prefer white Pangas fillets, therefore colour uniformity is critical for meeting export standards. The EU has stringent regulations on chemical residues in food, and many shipments from Bangladesh have been rejected due to the excessive use of antibiotics. Currently, Bangladesh holds the second position in global Pangas production, while India ranks third and Indonesia fourth. However, India is ahead in fillet processing and exports. Bangladesh needs to improve its processing capabilities and export standards, it has the potential to dominate the global Pangas fillet market.

The potential for ready-to-cook (RTC) and ready-to-eat (RTE) products made from Pangas fish in Bangladesh is significant, driven by growing consumer demand for convenience and time-saving food options. With the country’s expanding processing infrastructure and the fish’s rapid growth and low production costs, Pangas offer an affordable and versatile source for value-added products like wet fish, fillets (skinless, boneless), chunked and steak fish, crispy pickles (Balachao), fish ball, fish finger etc., and frozen or pre-cooked dishes. Pangas fish can be turned into fish powder, which can be used as high protein, lipid, minerals (calcium, phosphorus, and magnesium) and omega-3 fatty accid supplement for human body.

As the domestic and export markets for such products increase, Bangladesh has the opportunity to become a major player in the global seafood industry. However, to fully realize this potential, investments in quality control, sustainable farming practices, and adherence to international food safety standards will be essential. Given the increasing demand for convenient seafood options, urbanization, changing consumer preferences and year-round availability of Pangas fish present huge opportunities for economic growth and value addition. Young entrepreneurs with expertise in food processing, supply chain management, and e-commerce can leverage the growing demand for convenient pangas fish-based products.

Al-Shahriar
Research Assistant
WorldFish Bangladesh
Email: alshahriar12@gmail.com

The post The future of Bangladesh’s Pangasius industry – can we rule the global market? appeared first on Seafood Network BD.

Importance of Aquaculture Disease Prevention

Amongst all the risks, diseases are considered one of the major threats in aquaculture species. The diseases spread in a very rapid manner in high-density farming systems. Some of the important reasons for prioritizing disease prevention include:

• Economic Impact: It means that once a disease outbreak occurs, economic loss through reduced production and mortalities are the result; therefore, the costs of treatments of sick fish increase accordingly.
• Sustainability: Absence of diseases rules out the use of antibiotics and chemicals, hence reducing environmental degradation.
• Food Safety: Healthy aquaculture stock ensures that whatever is consumed by the end user or customer is safe for their consumption.
• Conservation: Prevention methods reduce the possibility of wild species getting infected with a certain pathogen.

Aquaculture Species Diseases

Identifying the aquaculture species diseases is the first step to better management of the same. Diseases are normally bacterial, viral, fungal, and parasitic. Examples are:

Bacterial Diseases

• Vibriosis: Infection in shrimp, fish, and shellfish. Symptoms include loss of appetite and lethargy, skin lesions.
• Aeromoniasis: Common in freshwater fish. It leads to ulcers, fin rot, and septicemia.

Viral Diseases

• White Spot Syndrome Virus (WSSV): an extremely serious disease of shrimp farming. It causes high mortality within days.
• Infectious Salmon Anemia (ISA): It affects salmon, causing pale gills and swelling.

Fungal Diseases

• Saprolegniasis: It affects the eggs and juveniles of fish, causing white cotton-like growth on the skin or gills.

Parasitic Diseases

• Sea Lice: It is a common parasite in salmon farming. It causes skin damage and stress.
• Ichthyophthirius multifiliis (Ich): It causes white spots on the body and fins of fish.

Key Strategies for Aquatic Disease Prevention

Aquatic disease prevention is effectuated through being proactive and optimal environmental conditions. The following are the key strategies:

Biosecurity Measures

Biosecurity remains very key in preventing entry and spread of diseases. Some of the key practices include:

• Quarantine: The isolation of new stocks, observing them before actual introduction to the main population.
• Sanitation: Cleaning tanks and ponds together with equipment, instruments within a radius of farms to prevent disease causative agent accumulations.
• Limiting Access: Grant access to as few people as possible and let the least numbers of vehicles that would not facilitate the contamination aspects towards the areas within the farms’ radius.

Water Quality Management

A wholesome Aquatic Environment would minimize the degree of stress resulting in reduced diseases. Some important things to be checked:

• Dissolved Oxygen: DO at optimum levels to avoid hypoxia.
• pH Levels: Stable and appropriate pH for the species being cultivated.
• Ammonia and Nitite Levels: The levels of these compounds should be maintained low through effective filtration and renewal of water.
• Temperature: Extreme changes in temperature should not occur, as such changes are stressful to the species.

Vaccination Programs

Vaccines help protect aquaculture species from known pathogens. Benefits include:

• Long-term immunity against prevalent diseases is attained.
• The use of antibiotics is reduced.
• The survival and production are improved.

Adequate Nutrition

Good nutrition also enhances the immunity of the aquaculture species. Areas of concern are outlined below:

• Complete nutritional and species-specific feeds should be supplied.
• Probiotics and additives enhances gut health/infection resistance.
• In addition, do not waste food that might deteriorate the water quality.

Health Monitoring

Regular health monitoring of stock enables early diagnosis of disease problems well before a general incidence assumes serious proportions.

Approaches

• Visual observations for signs of abnormality and changes in behavioral patterns.
• Rocinela Sampling for pathological examination to identify causative agent.
• Health records, which give a time-course of health trends.

Health Monitoring Techniques

Aquaculture health monitoring can be defined as the routine and systematic assessment of the health condition of a particular species in culture. Health monitoring encompasses many techniques and equipment, which are as follows:

Behavioral Observations

Observe symptoms of fish, such as loss of appetite or erratic feeding behavior, listlessness or erratic swimming behavior, and aggression or isolation.

Water Quality Testing

Periodically monitor water parameters through:

• DO, pH, and temperature by use of handheld meters.
• Ammonia, nitrites, and nitrates by using test kits.
• Online monitoring systems for continuance of data.

Pathogen Detection

Diagnosis of pathogens by microscopic examination of gill and skin scrapes, PCR for viral and bacterial DNA, ELISA to detect antigens.

Growth Performance Monitoring

Growth rates, FCR, and survival rates monitor overall health. Application:

• Periodical weighing and measuring of stocks.
• Automatic systems for collection of growth data.

Early Detection and Rapid Response

The early detection of the disease stops the aggravation of the outbreak. Apply the following:

• Frequency Health Control: In days or weeks, as the species requires and the productive system.
• Immediate Isolation: To withdraw the affected animals from production to stop their further spread.
• Consultation: Consultation with Veterinarians and Aquaculture Health Professionals shall be made regarding diagnosis and treatments.
• Medical Treatment: Focus Treatment to be provided; Antibiotic Courses and anti-fungal Courses should be administered on the recommendation of the concerned experts.

Role of Technology in Prevention and Monitoring Diseases

Needless to say, technology has been playing an enabling role as far as increase of efficiency related to the prevention and monitoring of diseases is concerned. Examples include:

• Automatic Water Quality Sensors: These continuously monitor the water quality, informing the farmer about its alteration which will reach a critical level where no action may be taken.
• Machine Learning Models: Artificial intelligence-driven tools predict health trends in outbreaks concerning a disease, informed by data from historical and environmental records.
• Remote Monitoring Systems: With the use of smartphones and their apps today, operations can be monitored from a distance for quick responses whenever something goes wrong.
• Digital Health Records: Record stock health, water quality, and treatment in cloud-based systems for easy management.

Benefits of Effective Disease Prevention and Monitoring

Benefits to be attained from strong strategies in implementation include:

• Better Growth and Productivity: Healthy stocks grow faster and yield better harvests.
• Cost-Effective: A reduction in disease cases cuts down expenses related to medication and deaths.
• More Value in the Market: Aquaculture products sourced from a hatchery free of these diseases increase the quality of the product that consumers will pay for.
• Sustainability: The precautionary principle reduces adverse effects on the environment with the view of making the aquaculture industry sustainable.

Aquaculture thrives on proper prevention of diseases and health monitoring, therefore. Some of the active steps include farm biosecurity, management of water quality, vaccination apart from regular checking for health by farmers; it helps a farmer reduce this risk. Most technologies also upgrade the efforts concerned with biosecurity in aquaculture to make sustainable and profitable culture practice. Accordingly, commitment to the sustenance of healthy aquaculture species has meant improving the security and sustainability of food systems around the globe. This necessarily calls for concern toward environmental conservation.

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Understanding Winter Impacts on Aquaculture Ponds

Temperature Reduction and its Consequences

Winter ushers in great reductions in water temperatures, thus affecting directly the metabolism, feeding, and growth of aquatic species. At lower temperatures, the metabolic rate of fish is retarded; this reduces their requirements for food and alters their behavior. Being aware of these changes is essential to proper pond management.

Reduced Dissolved Oxygen Levels

Cold weather changes the levels of DO in ponds, particularly for those that have been covered by ice. Low oxygen may lead to stress or mortality. In such a case, regular aeration helps to maintain a healthy environment.

Decline in Algal Growth

Winter reduces sunlight and temperatures, thereby reducing algal growth. These are the major producers in the pond ecosystem who help in maintaining oxygen balance. In the absence of sufficient number of algae, the levels of DO become low in ponds.

Accumulation of Organic Waste

The rates of decomposition of organic matter are slow during winter months. Therefore, waste keeps on accumulating in the pond and may result in the deterioration of water quality and predisposition of fish to diseases.

Winter Preparation of Aquaculture Ponds

Cleaning of the Pond

Before the winter sets in, clean the pond from the accumulation of excess organic wastes, dead plants, and debris. It would not allow the built-up toxic gases to collect in the pond water and would maintain relatively better water quality.

Aeration System Installation

Install or upgrade the aeration systems to provide adequate oxygen levels. Aerators prevent stagnation of water and minimize chances of ice formation, especially in colder regions.

Water Depth Management

Ensure proper water depth to avoid freezing. Shallower ponds are easily subjected to freezing, thus harming the aquatic species. Ensure a minimum depth of 3-4 feet for better thermal stability.

Installation of Monitoring Equipment

Installation of temperature- and oxygen-monitoring devices. Such devices would ensure that the critical parameters remain within their range and will provide early warning systems for any imminent problems.

Feeding and Nutrition

Changing Feeding Habits

• Reduce the frequency and amount of feeding during winter months since fish metabolism is slow.
• Provide high-quality and easily digestible foods that would meet nutritional requirements for cold water.

Observe Feeding Habit

Observe the feeding intensity of fish closely and avoid overfeeding as it decays the leftover feed and deteriorates the water quality.

Water Quality Management

Regular Water Testing

• Check for parameters such as pH, ammonia, nitrite, and nitrate levels. Cold temperature changes the chemical composition of water.
• pH level should be maintained between 6.5 and 8.5 for the optimum health of fish.

Controlling Ammonia Levels

This may cause an accumulation of ammonia due to slower decomposition of waste matter. Use water conditioners or increase aeration to maintain low levels of ammonia.

Partial Water Changes

Regular partial water changes are needed to dilute any build-up of toxins. Only 10-20% change of water should be made at one time to prevent shocking the fish.

Ice Formation Control

• Keep the water surface in motion with installed aerators or fountains to prevent thick layers of ice from building up.
• For smaller ponds, use pond heaters to keep areas of importance free from ice.
  

Disease Prevention and Health Monitoring

Watch for Signs of Stress

• Cold weather can weaken the immune system of fish, making them more prone to diseases.
• Look for signs such as lethargy, unusual swimming behavior, or skin lesions.

Disease Control Measures

• Apply probiotics to maintain healthy microbial populations in the pond.
• Use natural or approved chemical treatments to address infections promptly.

Quarantine New Stock

• If at all possible, avoid adding new fish during winter. If it’s unavoidable, then quarantine them against diseases.
  

Aeration and Circulation

Continuous Aeration

• Aerators should be running during winter continuously to avoid oxygen level decline and water stratification. Diffuser aerators perform the best in maintaining an even oxygen distribution.

Avoid Over circulation

While aeration is essential, avoid over circulating water during extremely cold weather. Too much mixing can transport cold surface water to greater depths and make the habitat uninhabitable for aquatic species.

Fish Stock Management

Stock Density Control

Regulate stock density in order to decrease competition for the limited resources. Over-stocking increases stress and heightens the risk of disease outbreaks.

Winter Requirements of Some Species

Know your aquaculture species specific needs. Cold tolerant species like trout are going to be managed much differently than a warm water species such as tilapia.

Equipment Care

Routine Maintenance

• Inspection for wear and tear on the aerators, heaters and filtration systems.
• Service equipment in order to provide for continuous service during very cold weather.

Back-up Power

• Have emergency generator power available in case of electrical power loss.
• During cold snaps, it is important that aeration and/or heating not be interrupted.
  

Contingency Planning

Develop an Action Plan

Develop a course of action to be taken in the event of emergencies related to sudden temperature fluctuations, equipment failure, or disease outbreaks.

Maintain a Stockpile of Essentials

Maintain adequate supplies of items such as water conditioners, fish drugs, and replacement machinery parts.

Long-Range Planning

Winterizing Ponds

Include winterization in your routine annual maintenance. This would include cleaning, upgrading of equipment, and structural enhancements.

Data Collection and Analysis

Record the water quality readings along with any observations regarding unusual fish behavior. This will help you make refinements in your practices next winter.

Aquaculture ponds during winter season need to be managed proactively and knowledgeably. A strategy addressing all four main concerns-that of water quality, aeration, feeding, and health monitoring, will give the wholesome environment to the aquatic species. Besides minimizing risks, preparing for the winter months makes all the difference when a good growing season does return. Do not be caught off guard; invest in the proper tools for the job and adjust your plans according to those particular winter difficulties in order to achieve success with regards to aquaculture operations.

Farhana Islam
Agriculturist, Researcher
Fisheries Resource Management, CVASU

The post Key considerations for aquaculture pond maintenance in the winter season appeared first on Seafood Network BD.

Growing risks from climate change

Shrimp farming, fish cultivation, and rice production in Bangladesh’s coastal areas are increasingly threatened by climate change-induced factors such as rising sea levels, extreme flooding, cyclones, soil erosion, and salinization.

Dr. Aksya Kumar Sarkar, a shrimp production and processing expert with 25 years of experience, highlighted the vulnerability of shrimp feeding, breeding, and nursery grounds in the region. Producers and exporters are becoming concerned about declining shrimp production, which is affecting exports due to climate-induced temperature fluctuations.

In the country’s southwest, shrimp farming remains largely dependent on wild post-larvae since hatchery production is still limited and market is flooded with low-quality smuggled nauplii. Hence, farmers prefer wild post-larvae for their higher survival rates and better quality.

Impact on shrimp farming

According to shrimp expert and former fisheries officer Dr. Aksya Kumar Sarkar explained that prawns are highly sensitive to salinity levels, requiring brackish water in their early life stages. Shrimp post-larvae depend on estuaries for shelter and food, making them vulnerable to environmental changes.

The key shrimp-farming districts of Khulna, Bagerhat, and Satkhira are facing severe impacts from floods, heavy rainfall, droughts, cyclones, and tidal surges. Many poor coastal residents who collect wild shrimp post-larvae near the Sundarbans are reporting declining catches due to increasing water temperature and salinity fluctuations caused by climate change.

Extreme weather events and rising sea levels could further alter the aquatic ecosystem, leading to a scarcity of wild post-larvae. Shrimp-farming communities are now dealing with a dual challenge: reduced post-larvae stocks and increased risks of coastal flooding and storm surges.

Economic and social consequences

According to Dr. Praful Kumar Sarkar, small-scale shrimp farmers and associated workers are often socially, economically, and politically marginalized. Limited access to essential services such as healthcare and education further exacerbates their struggles.

The declining availability of post-larvae has significantly impacted coastal villages reliant on shrimp farming. Climate change has led to the destruction of shrimp feeding, breeding, and nursery grounds in the Sundarbans, further intensifying the crisis.

As a major contributor to Bangladesh’s economy, shrimp farming is an essential sector, with most shrimp being exported to the EU nations, UK and USA. Any decline in shrimp production due to climate change could result in a substantial loss of foreign currency earnings. Additionally, lower production levels could impact hatchery operations, shrimp feed industries, and shrimp processing businesses.

Urgency for research and adaptation

Climate change presents a major challenge to the long-term sustainability of the shrimp sector. More research is needed to develop adaptive farming strategies, improve existing technology, and implement community-based climate resilience measures.

Increased salinity in inland groundwater has been observed in recent years, causing soil degradation and reducing soil fertility. This, in turn, affects rice and freshwater fish production and limits biodiversity.

Dr. Mostafa Sarwar, a climate expert and professor at Khulna University of Science and Technology, stressed the need for improved adaptation measures. Integrated coastal management, reforestation, and climate resilience programs could help mitigate economic losses and protect the shrimp industry from further damage.

Rising water temperatures and shrimp farming challenges

There is a noticeable difference in heat tolerance between mature shrimp and their post-larvae. Farmers typically release post-larvae into shrimp enclosures in January-February when water temperatures remain around 25°C. However, as temperatures rise to 27°C in March, many shrimp fail to survive, leading to increased mortality rates. Warmer waters are also contributing to the spread of viral infections, further threatening shrimp production.

Salinity issues and water scarcity

According to Golam Kibria Ripon, General Secretary of the Shrimp Fry Trading Association, salinity in Khulna’s rivers has become a significant challenge for shrimp farmers. Normally, river water in the region turns saline in January, but in recent years, this transition has been delayed until February. Additionally, salinity levels, which previously ranged between 16-18 ppt in May-June, have now dropped to 8-10 ppt, negatively affecting shrimp growth.

A shrimp farmer from Daulatpur, Khulna, reported that water scarcity is a growing concern for shrimp production. Additionally, frequent virus outbreaks are further reducing yields, making it increasingly difficult for farmers to sustain their livelihoods.

As climate change continues to threaten shrimp farming in Bangladesh, urgent measures are needed to adapt to these challenges. Research, policy interventions, and sustainable farming practices must be prioritized to protect both the environment and the livelihoods of coastal communities.

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The introduction of closed mine-based fish farming in Rajnandgaon district has significantly increased the production of fish species like Pangasius and Tilapia. Under the Pradhan Mantri Matsya Sampada Yojana (PMMSY), two closed mines have been converted into thriving aquaculture hubs at a cost of $0.8 million, producing approximately three tons of fish per cage. These fish are now ready to be supplied nationwide, strengthening fish markets and contributing to the blue economy.

This initiative has created jobs for over 150 individuals, with women earning $70-90 monthly. The government’s subsidy of 40–60% under PMMSY has further enabled fish farmers to adopt the advanced cage culture method, which not only ensures a healthy environment for fish rearing but also reduces the risk of infections. The technique has proven to save time and costs while substantially increasing production levels.

In a mine in Joratarai, 162 unit cages were installed at a cost of $0.54 million, demonstrating the model’s scalability and effectiveness. This effort has turned disused water bodies into centres of economic activity, improving livelihoods and optimising water resource use.

In 2023, Chattisgarh reported a fish production of 652,000 metric tons, a substantial increase from 591,000 metric tons the previous year. This remarkable achievement highlights the state’s growing influence as a leader in sustainable aquaculture, inspiring similar initiatives across the India.

By leveraging innovative practices, Chattisgarh is setting an example of how targeted investments in aquaculture can drive economic growth, environmental sustainability, and social development in rural areas.

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