Fin's Fish Guide
The Haddock (Melanogrammus aeglefinus) is a saltwater fish of the family Gadidae that grows up to 112 cm.
North Atlantic, from the Mediterranean Sea and the Bay of Biscay to southern Greenland, Iceland and the southern Barents Sea.
Description
Haddock is a bottom-dwelling member of the cod family (Gadidae) growing to over 110 cm. It has three dorsal fins, two anal fins and a small chin barbel. Distinctive features are the dark, unbroken lateral line and a large black blotch above the pectoral fin, popularly called 'St Peter's thumbprint'. The back is silvery-grey to brown. Haddock live in schools on temperate bottoms of the northern Atlantic and North Sea, feeding on crustaceans, molluscs, worms and small fish. The species undertakes extensive migrations and is a highly prized food fish, though fishing pressure has left it assessed as Vulnerable.
Frequently asked questions
How do you recognise the Haddock?
The Haddock has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Dark, uninterrupted lateral line and a large black blotch above the pectoral fin (the 'thumbprint of St Peter'); small chin barbel.
Where does the Haddock live?
The Haddock lives in the sea (marine waters) and is mostly found around sand or mud bottom. North Atlantic, from the Mediterranean Sea and the Bay of Biscay to southern Greenland, Iceland and the southern Barents Sea.
How big does the Haddock get?
The Haddock grows to a maximum of about 112 cm. On average the species is around 35 cm.
Is the Haddock dangerous to humans?
No, the Haddock is harmless to humans. None required: this species is harmless to humans.
Is the Haddock edible?
Yes, the Haddock is a highly prized food fish.
More photos
Easily confused with
These species look like the Haddock and live in the same waters.
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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
More from the family Gadidae
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