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Sustainable Cornish Seafood

We can all help our oceans by making well informed decisions when choosing seafood. Look for Cornish seafood labelled with our recommended symbol. Here are a few species from our recommended seafood list.

Why should we care

Native Oyster

Native Oyster

Ostrea edulis

Method: Sail and Oar

Red Gurnard by Sarah McCartney

Red Gurnard

Aspitrigla cuculus

Method: Demersal Trawl

Spider crab by Sarah McCartney

Cornish King Crab

Maja brachydactyla

Method: Potting

Small eyed ray by Marc Dando

Small eyed ray

Raja microocellata

Method: Demersal Trawl


Bass, Seabass

Dicentrarchus labrax

Method: Demersal Trawl

Thornback ray

Thornback ray

Raja clavata

Method: Gill Netting

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Where to buy

gold_standardNEW Gold standard businesses have taken a pledge to only supply sustainable Cornish seafood, find out more here.

Find and buy Cornish Seafood

Meet the Fishers

David Stevens, Crystal Sea

David Stevens

Port: Newlyn

David Stevens is skipper of the modern 20m trawler the Crystal sea. He fishes using a twin rig demersal trawl and has made numerous adaptations to the gear to improve its sustainability by reducing unwanted by catch. 

Read more

Barry Preston

Port: Mevagissey

Meet Barry Preston, who fishes out of Mevagissey using hand lines and gill nets! 

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How to guides


Winter 2023/24 Ratings Updates - inc. a NEW tuna fishery

Season's Greetings - A Christmas update

New ratings announced - some major changes

Winter ratings review consultation open 2023

View all news

Cornwall Good Seafood Guide is underpinned by the Marine Conservation Society (MCS) Good Fish Guide. The first UK consumer guide to sustainable seafood. For more information visit

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