Good Fish Guide

Common cuttlefish

(Sepia officinalis)

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Overview

Cuttlefish (family Sepiidae) belong to a specialised group of molluscs, known as cephalopods, which also includes octopus and squid. In the North East Atlantic and Mediterranean, the main commercial species is the common cuttlefish (Sepia officinalis), although other species (S. elegans and S. orbignyana) are fished in the Mediterranean. Cuttlefish have eight arms and two tentacles, like squid, but differ from other cephalopods by the presence of a significant internal skeletal/buoyancy structure, the cuttle bone, which is often found washed up on beaches. The common cuttlefish typically has a two year lifecycle, whilst in southern areas one year is normal. After overwintering in deeper waters, cuttlefish move into shallow coastal waters to breed in spring and summer. Females only breed once, and die soon after laying up to 4,000 eggs, which are around 8-10 mm in diameter and known as sea grapes. They take up to two months to hatch. Males live longer, and breed more than once. Cuttlefish can attain body lengths of up to 45 cm and weigh up to 4 kg, although typically 20-30 cm and 1-2 kg is normal.

Ratings

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Rated 1-2
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OK - Needs Improvement

Rated 3-4
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Avoid

Rated 5
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Under review

Ratings that are Under Review
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Wild-caught

Location: Offshore (beyond 6nm), including France

Method: Bottom trawl (otter)

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Wild-caught

Location: Offshore (beyond 6nm), including France

Method: Bottom trawl (beam)

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Wild-caught

Location: Cornwall IFCA District (0-6nm)

Method: Bottom trawl (otter)

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Wild-caught

Location: Inshore (0-6 nm)

Method: Pot, trap or creel

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Wild-caught

Location: France (0-3nm)

Method: Bottom trawl (beam)

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Wild-caught

Location: France (0-3nm)

Method: Bottom trawl (otter)

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Also known as

Common cuttlefish

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