India’s Marine Fisheries: Resource Management and Economic Impact

When you think about the Indian Ocean, you might picture vast blue waters stretching endlessly toward the horizon. But beneath those waves lies something far more valuable than most of us realize-a treasure trove of marine life that feeds millions, employs countless families, and contributes billions to India’s economy. India’s marine fisheries sector is not just about catching fish; it’s about sustaining livelihoods, ensuring food security, and managing one of the world’s most biodiverse marine ecosystems.

India’s vast marine territory 🔗

India is blessed with an Exclusive Economic Zone spanning 2.02 million square kilometers and a coastline stretching over 8,000 kilometers. To put that in perspective, imagine an area roughly the size of Rajasthan and Madhya Pradesh combined-but entirely underwater and teeming with life. This Exclusive Economic Zone, or EEZ, extends 200 nautical miles from India’s coast into the Indian Ocean, giving the country exclusive rights to explore and harvest marine resources within this vast territory.

The EEZ is more than just a boundary on a map. It represents enormous potential for India’s blue economy. Within this zone, the estimated annual potential for capture fisheries stands at 5.31 million metric tons, though current harvests have reached about 4.5 million tonnes annually. This gap between potential and actual catch isn’t necessarily a problem-in fact, it reflects the careful balance India must maintain between economic growth and environmental sustainability.

A rainbow of marine resources 🔗

Walk through any coastal fish market in India, from Mumbai to Chennai, and you’ll be amazed by the sheer variety of seafood on display. India’s waters are home to an incredible diversity of commercially important fish species, each playing a unique role in the marine ecosystem and the economy.

The carangid family 🔗

Among the most economically significant are the carangids-a family of fish that includes horse mackerels, scads, queenfishes, trevallies, leatherjackets, and pompanos. These fish might not sound familiar by their scientific names, but if you’ve enjoyed fried fish at a beach shack or ordered “bangda” at a coastal restaurant, you’ve likely tasted a member of this diverse family. About 62 species of carangids occur along the Indian coast, with commercial fisheries primarily targeting trevallies, horse mackerel, scads, and queenfishes. What makes carangids particularly valuable is their fast growth rate and short lifespan, allowing populations to recover relatively quickly from fishing pressure.

The beloved Indian mackerel 🔗

If there’s one fish that deserves the title of “people’s fish” in India, it’s the Indian mackerel. Rich in omega-3 fatty acids, affordable, and delicious, mackerel has been a staple protein source for coastal communities for generations. The commercial fishery for Indian mackerel exploits fish as young as six months old, with the west coast accounting for over 75 percent of the country’s total mackerel catch. These silvery swimmers typically measure between 110 to 150 millimeters on the west coast and 175 to 215 millimeters on the east coast, feeding primarily on phytoplankton like diatoms while contributing significantly to the nutrition and economy of fishing communities.

Prawns and the export economy 🔗

Perhaps no single marine resource has transformed India’s seafood export industry quite like prawns, particularly penaeid prawns. These high-value crustaceans have become the backbone of India’s marine exports. The growth has been nothing short of remarkable-farmed shrimp production alone increased from a mere 20 metric tons in 1970 to over 7.47 lakh metric tons by 2020. Today, frozen shrimp accounts for over 70 percent of India’s seafood export value, making it the country’s most valuable marine commodity.

The economic heartbeat of coastal India 🔗

Numbers can sometimes feel abstract, but behind every statistic about India’s marine fisheries sector are real people-fishers mending nets at dawn, women processing catch at harbourside facilities, truck drivers transporting seafood to distant markets, and families whose livelihoods depend on the ocean’s bounty.

The sector’s economic contribution is substantial. Marine fisheries contribute approximately 1.24 percent to India’s Gross Value Added in agriculture and allied sectors, which might seem modest until you consider the ripple effects throughout the economy. In the financial year 2023-24, India exported seafood worth approximately Rs 60,524 crore, positioning the country as a major player in the global seafood market.

But the true measure of this sector’s importance lies in its human impact. Over 16 million people find employment directly or indirectly through marine fisheries, including fishers, processors, traders, and workers in allied industries. For many coastal communities, particularly marginalized and economically vulnerable groups, fishing isn’t just an occupation-it’s a way of life passed down through generations, deeply intertwined with cultural identity and community bonds.

The delicate art of resource management 🔗

Managing marine fisheries is like conducting a complex orchestra where every instrument must play in harmony. Pull too hard on fish stocks, and populations collapse; restrict fishing too much, and millions of livelihoods suffer. India has been learning this difficult balancing act through decades of experience, both successes and setbacks.

Understanding the challenges 🔗

The reality is that approximately 30 percent of India’s marine fish stocks are currently overexploited. Species that were once abundant, like oil sardines and certain mackerel populations, have seen concerning declines in some regions. The problem is compounded by the use of fine-meshed nets that catch juvenile fish before they can reproduce, effectively stealing from future generations of both fish and fishers.

There’s also the issue of inequality in the sector. While small-scale artisanal fishers make up about 80 to 90 percent of the workforce, they contribute less than 10 percent of the marine catch. Meanwhile, mechanized fleets with larger vessels and advanced equipment harvest the lion’s share, creating economic disparities that threaten the social fabric of fishing communities.

Conservation and sustainable practices 🔗

Recognizing these challenges, India has implemented various conservation measures. The government enforces a seasonal fishing ban during monsoon months, allowing fish populations to spawn and regenerate. This 61-day fishing ban, while economically difficult for fishing families, is crucial for long-term sustainability. To ease the burden, the government provides livelihood and nutritional support during ban periods-a safety net that has expanded from covering about 40,000 families in 2013-14 to nearly 6 lakh fishing families in 2023-24.

Innovative conservation efforts include the installation of artificial reefs and sea ranching programs. These initiatives create new habitats for marine life, essentially building underwater apartment complexes for fish. The government has installed 937 units of artificial reefs across 11 coastal states, engaging over 7,000 fishers and stakeholders from 680 coastal villages in the process. It’s conservation that works because it involves the very communities whose futures depend on healthy fish populations.

Technology meets tradition 🔗

India’s approach to marine fisheries management increasingly blends cutting-edge technology with traditional knowledge. The Vessel Communication and Support System, launched in 2024, aims to install transponders on fishing vessels, enabling two-way communication and providing information on potential fishing zones. This helps fishers locate fish more efficiently, reducing fuel consumption and environmental impact while increasing catches.

The government has also introduced the ReALCRaft portal, a digital platform for uniform registration and licensing of fishing vessels across all coastal states. This technological approach brings transparency to a sector that has historically operated through informal channels, making resource management more effective and equitable.

Looking toward the horizon 🔗

The future of India’s marine fisheries lies in striking the right balance between exploitation and conservation, between economic growth and ecological sustainability, between modern efficiency and traditional wisdom. The government’s focus on developing deep-sea and high-seas fishing capabilities, particularly around the Andaman and Nicobar and Lakshadweep Islands, opens new frontiers. These islands account for nearly half of India’s EEZ area yet remain relatively underutilized.

There’s also enormous potential in mariculture-the cultivation of marine organisms in controlled environments. From seaweed farming to cage culture of finfish, these practices could help meet growing seafood demand without putting additional pressure on wild fish stocks. The development of value chains for high-value species like tuna could significantly boost export earnings while creating specialized employment opportunities.

The challenge ahead is ensuring that growth in the marine fisheries sector is inclusive, benefiting small-scale fishers as much as large commercial operations. This requires strengthening fishermen cooperatives, providing access to credit and technology, improving cold chain infrastructure to reduce post-harvest losses, and ensuring that conservation regulations are enforced fairly and effectively.

India’s marine fisheries sector stands at a crossroads. With careful management, technological innovation, and inclusive policies, it can continue to be a source of nutrition, employment, and economic growth for generations to come. The ocean’s bounty is not infinite, but with wisdom and restraint, it can be enduring.

What do you think? How can we better balance the needs of fishing communities with the imperative of conserving marine ecosystems? What role should technology play in making marine fisheries more sustainable and equitable?

References

1. https://dof.gov.in/marine-fisheries
2. https://eprints.cmfri.org.in/20/
3. https://www.pmfias.com/indias-marine-fisheries/