IAS/UPSC Coaching Institute  

Editorial 1: Overfishing — the threat to ocean wealth, livelihoods

Contextk

If we allow overuse of marine resources to continue, it will only increase povertydamage marine biodiversity, and destroy chances of sustainable harvests.

 

Introduction

India’s marine fisheries sector now produces around 3 to 4 million tonnes of fish each year, showing that the country has likely reached its maximum sustainable catch. However, even with this large production, there is unfairnessSmall-scale fishers make up 90% of the fishing community, but they catch only about 10% of the total fish. Most of the catch is taken by large mechanised fishing operations.

 

Socio-economic Challenges

  • Nearly 75% of marine fisher families in India live below the poverty line.
  • Fisherfolk try to catch “just one more kilo” using bigger engines and newer nets.
    • Results in minimal increase in fish catch.
    • Leads to higher debtfuel costs, and financial pressure on already poor communities.

 

Ecological Impact of Shrimp Trawling

Issue

Details

Bycatch problem

For every 1 kg of shrimp, over 10 kg of other marine life is discarded.

Bycatch contents

Mostly juvenile fish and non-target species, many of which die after being tossed back.

Impact on biodiversity

Damages reef ecosystems, disrupts food chains, and weakens future fish stocks.

 

Technical Factors Worsening Decline

  • Use of small mesh nets (< 25mm) catches juvenile fish.
  • Reduces spawning stock biomass → lowers fish reproduction rates.
  • Results in decline of commercial species like sardine and mackerel.
  • Such declines may take decades to recover — or may become irreversible.

 

Global Precedents of Fishery Collapses

Region

Collapse

Outcome

Canada (1992)

Northern cod fishery collapsed

Moratorium enforced; stocks still below recoverylevels

California, USA

Pacific sardine fishery collapsed in mid-1900s

Closed from 1967–1986; recent declines again observed

 

Regulatory & Policy Challenges in India

  • Each coastal State/UT has its own Marine Fisheries Regulation Act (MFRA).
  • Creates a patchwork of laws → Easy for illegal fishers to bypass rules.
  • Juvenile fish protected in one State may be legally caught in another.
  • Leads to “laundering” of undersized fish, harming conservation efforts.

 

Global Best Practice: New Zealand's Quota Management System (QMS)

Feature

Description

Started in 1986

Introduced a Quota Management System (QMS) based on scientific stock assessments

Total Allowable Catches (TAC)

Set according to real-time fish population data

Tradable quotas (ITQs)

Clear rules for commercial, recreational, and customary fishers

Impact

Helped stabilise and even rebuild fish populations

 

Adapting QMS in India: Potential Benefits

  • Introduce QMS for large mechanised trawlers, at least in pilot zones.
  • Link fishing rights to stock health, not to vessel size or fuel usage.
  • Apply targeted size limits and Minimum Legal Size (MLS) rules.
  • Case Study (Kerala): After enforcing MLS for threadfin bream, fish catch increased by 41% in one season.
    • Allowing fish to grow and reproduce leads to better yields and higher fisher incomes.

 

Threat from Fish-Meal and Fish-Oil (FMFO) Industry

Problem

Impact

Bycatch used as feed

Encourages more discards for higher feed profits

Low-value bycatch

Over 50% of some trawl hauls are juvenile fish for FMFO processing

Nutritional loss

These are exported, depriving Indian consumers and aquaculture industry

 

Solutions to Align Industry with Conservation

  • Cap FMFO quotas to limit overuse.
  • Mandate release of juvenile fish back into the sea.
  • Redirect bycatch to local aquaculture broodstock, not export.

 

 Multi-Level Action Plan for Reform

Level

Actions Required

Central Government

Revamp vessel licencesinfrastructure grants, and fishing subsidies to support ecosystem-based regulation.

State Governments

Strengthen enforcement using patrol boatsdigital reporting, and real-time monitoring.

Local Communities

Empower fisher cooperatives and village councils as co-managers of marine protected areas.

Consumers

Use buying power to support legal-size, sustainably sourced seafood and reject biodiversity-harming options.

 

We stand at the crossroads

  • Climate change causing more storms and coastal erosion.
  • India’s coastline stretches over 11,098 km, affecting 3,000+ fishing villages.
  • Overfishing worsens poverty, harms marine biodiversity, and reduces sustainable fish yields.
  • Set science-based catch limits (quotas).
  • Create uniform fishing regulations across all States.
  • Promote community-led marine protection.
  • Shift policies toward long-term sustainability over short-term gain.

 

Conclusion

On this International Day for Biological Diversity, let us promise to protect India's rich marine life. We should do this not just for our food and jobs today, but also to ensure strong ecosystems and fair prosperity for the future generations.