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Ocean Custody – Ocean Custody

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Fish

The Sea is Being Ruthlessly Plundered

Every year, 92.3 million tons of sea creatures are fished from the ocean. If aquaculture is included, the total is 185 million tons (2022). Already, 38 percent of populations are considered overfished, and another 51 percent are fished to capacity.

The level of bycatch is also unimaginable: every year, hundreds of thousands of marine animals of endangered, threatened or protected species are killed in fishing gear. In addition, more and more marine habitats are being destroyed by destructive fishing practices.

For around 3.3 billion people who rely on fish for their nutrition, this overfishing is disastrous. Fish farms do not offer a solution – on the contrary, they further exacerbate the problem. This is because farmed fish often receive wild fish as feed.

We can only solve the problem together. For example, those who do not rely on marine fish for protein should avoid consuming it.

Protect marine life with your donation.

Your donation will help to ensure that threatened marine animals are protected and that their habitats are conserved.

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Fish Face an Uphill Battle

The Law of the Sea

Illegal, unreported and unregulated fishing (IUU fishing) is widespread and poses a serious threat to the marine environment, over-exploiting fish populations, damaging ecosystems and endangering the livelihoods of coastal communities. Ocean Custody is committed to combating IUU fishing and calls for measures to prevent these illegal practices.

Empty Nets

Overfishing threatens marine ecosystems and their inhabitants, but also the food security of billions of people. Small-scale local fishers with their often traditional fishing methods cannot compete with large-scale foreign industrial fishing fleets which are emptying coastal areas of fish before their very eyes.

Problematic Fish Farming

Aquaculture likes to present itself as a solution, but by using wild fish as fish feed only encourages overfishing. In addition, escaped farmed fish can weaken wild populations by altering their genetic makeup and spreading disease. Food scraps, faeces and antibiotic residues pollute the water.

Damaging Noise

Underwater noise pollution also has drastic effects on fish: it disrupts communication, causes stress and changes the behavior of the animals. Their defense against predators is reduced, and mating behaviour, reproduction and the rearing of young suffer. Moreover, noise has been shown to cause malformations in fish.

How we are Tackling Overfishing

Nahaufnahme Schleppnetz

Ban Destructive Fishing Practices

With their bottom trawl nets, trawlers destroy species-rich underwater landscapes and create bleak ocean deserts – even in Marine Protected Areas. We work towards banning of fishing practices which cause great damage to the sea.

This is how we proceed
Tote Schildkröten auf Markt (Aquatic Wildmeat)

Stop Aquatic Wild Meat

Because foreign large-scale industrial fishing fleets from Europe and Asia are plundering West African fish grounds, coastal fishers often return with empty nets. To feed their families, they hunt protected animals illegally. We are tackling this problem.

Active on aquatic wild meat
Lachs Sashimi Gericht

Less Fish is More

Global fish consumption is growing rapidly. For some, fish is a fancy meal; for others, it is essential for survival. Fish is food with a heavy social and ecological footprint. We are all part of the problem – and part of the solution.

Adjust consumer behaviour

news on fish

New Publication Examines Ecocide Concept for Marine Environments – Focus on Bottom Trawling
A new academic analysis published in The International Journal of Marine and Coastal Law explores whether the concept of ‘ecocide’ could provide a viable legal mechanism to address the gravest crimes against the marine environment. The article, co-authored by Dr. Johannes Müller, Ocean Policy Advisor at Ocean Custody, pays particular attention...
Jan 08, 2025
Tackling the Trawl Supremacy: Ocean Custody releases report highlighting need for global action on destructive bottom trawling
As the European Parliament prepares to vote on a new EU Commission, Ocean Custody has published a comprehensive report calling on EU Member States to honour their commitments to ban bottom trawling in Marine Protected Areas (MPAs) by 2030. With the world falling behind on achieving the Agenda 2030 and particularly...
Oct 23, 2024
Ocean Custody at Fish Forum 2024 to highlight marine pollution from fishing gear
This week, 19-23 February, Ocean Custody is attending the Forum on Fisheries Science in the Mediterranean and Black Sea organised by the FAO/GFCM in Antalya, Türkiye. It is the second edition of the largest scientific meeting dedicated specifically to fisheries and related issues in the region.
Feb 19, 2024
General Fisheries Commission for the Mediterranean: Ocean Custody reports on Activities
The 46th session of the General Fisheries Commission for the Mediterranean (GFCM) was held in Split, Croatia, from the 6th to the 10th of November. The GFCM has an important role to play in the management of fish stocks in the Mediterranean and in ensuring the conservation and sustainable management...
Nov 14, 2023
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Stories on fish

Story
Fish Consumption: Less Fish, More Sea!
Read nowFisheries
Story
Destructive Fishing Practices must be banned
Read nowBecause Our Planet Is Blue Featured Fisheries
Story
Holidaying by the Mediterranean? Be aware of these fishes.
Read nowClimate Change Fisheries Tips
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Facts on fish

There are around 35,000 species of fish of all sizes – from seahorses to whale sharks.

Many fish species change sex during their lifetime.

Fish react to painkillers, which makes it clear that they feel pain.

Glass fish need a very specific diet to make them glow.

Thanks to their lateral line organ, fish can sense the slightest changes in currents and pressure.

Fish protect themselves from the cold in water with an antifreeze in their blood.

Fish communicate using sounds: herrings, for example, fart – and that over three octaves.

Noise disturbs the communication and development of fish and leads to deformities.

Some fish species stretch their oral cavity when hunting and thus suck in prey.

Publications on Fish

Fisheries: Progress on Cooperation between GFCM and Ocean Custody – Submission (2024)
2 pages, PDF
Fishing: The Trawl Supremacy – Report (2024)
134 pages, PDF
Oceans – Sustainable Food: UNCLOS ICP – Submission (2024)
4 pages, PDF
Oceans – Food Security: UNCLOS ICP – Opening Statement (2024)
1 pages, PDF
Pollution Plastique: Untangled, Pollution & Engins de pêche – Briefing FRA court (2023)
6 pages, PDF
Contaminación Plástica: Untangled, Plásticos & Aparejos de pesca – Briefing ESP corto (2023)
6 pages, PDF
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JOIN US IN SUPPORTING MARINE CONSERVATION

With your donation

Every amount is of value and will help to protect the ocean and its inhabitants both today and in the future.

With your commitment

Get active: your voice under petitions and your involvement in actions – such as Cleanup Day – is important and counts.

World Cleanup Day Zürich
Become active now
About Ocean Custody

Ocean Custody has been committed to marine wildlife protection since 1989.

The organisation holds Special Consultative Status on marine issues with the Economic and Social Council of the United Nations.

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Kampagnen-Symbolbild: Because Our Planet Is Blue (Petition)

A healthy Ocean is essential for life on the blue planet.
We must stop harming our planet and start caring for it. The time to act is now.

Sign the petition here