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Coley or saithe
Pollachius virens
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BIOLOGY
Coley or saithe belongs to the same family as cod and haddock. Coley usually enters coastal waters in spring and returns to deeper water in winter. They spawn from January to March at about 200 m depth along the Northern Shelf edge and the western edge of the Norwegian deeps. Saithe can grow up to 130cm and reach ages of more than 25 years. They become sexually mature when 5-10 years old and 60-70 cm long.
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ADVICE
The Northeast Arctic (Barents and Norwegian Sea) saithe stock and the combined saithe stock in the North Sea, Skagerrak, West of Scotland and Rockall is currently healthy and above the minimum level recommended by ICES and harvested sustainably. To help reduce impact of fishing on fish stocks where fishing effort is too high (Iceland and Faroes), the marine environment, and species, choose line-caught fish where available. When buying longline-caught coley ask for fish caught using 'seabird-friendly' methods, see Fishing Methods for details. Two Norwegian fisheries for saithe, one carried out in the Norwegian Sea, ICES Sub-areas I and II, within the Norwegian Exclusive Economic Zone, the other in the North Sea, are assessed as environmentally sustainable fisheries by the Marine Stewardship Council, as is the German North Sea fishery. Avoid eating immature saithe below about 50-60 cms and during its breeding time January to March.
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