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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

spider crab by Sarah McCartney

Spider Crab

Maja brachydactylus

Method: Potting



Lophius piscatorius and L. budegassa

Method: Beam Trawling

Velvet crab by Sarah McCartney

Velvet crab

Liocarcinus puber

Method: Potting

Pacific oyster

Pacific oyster

Magallana gigas

Method: Farmed

mackerel by Sarah McCartney


Scomber scombrus

Method: Handlining

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Where to buy

Find and buy Cornish Seafood


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How to guides

Meet the Fisherman

Luke Marshall, Rock Shellfish

Luke Marshall

Port: Porthilly Farm, Rock

Luke Marshall is a second generation shellfish farmer. From their base at Porthilly farm near Rock the Marshall family have been farming shellfish in the Camel estuary for over twenty years. Porthilly oysters and Rock Mussels are renowned for their quality and sustainablity and feature on menus across the county and further afeild.

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David Warwick

David Warwick

Port: Mevagissey

Dave fishes from the Port of Mevagissey. His boat the Valhalla is 12m long, and he fishes for a wide range of species using a demersal trawl with large mesh to reduce bycatch of small fish. 

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Incredible biodiversity on Fal oyster fishery, notes from a day out on the Fal Oyster Survey 2019

Rare Seahorse found in Fal fishery, proof that sustainable oyster fishing has a bright future

Fish and Tips, November 2018 newsletter

Ratings changes 2018 summarised

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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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