About This Fish


The halibut (Hippogllossus hippoglossus) is a flatfish which belongs to the family Pleuronectidae under Order Pleuronectiformes of class Actinopterygii. It is also known as The Atlantic halibut, halibot, giant halibut and right eyed flounder. It lives on or near sand, gravel or clay bottoms at depths of between 50 and 2,000 meters. They are strong swimmers which able to migrate long distances. Halibut are found in the temperate waters of the northern Atlantic from Labrador and Greenland to Iceland, the Barents Sea and as far south as the Bay of Biscay. The larvae are pelagic while young between the ages of two and four years live close to the shore.

It is flattened sideways. Lateral line is complete that arches strongly above the pectoral fin with a concave shaped caudal fin. Its upper surface is a uniformly dark chocolate, olive or slate color, and almost black but the underside is pale while young is marbled or spotted with paler marks. Dorsal fin has 98-110 soft rays and anal fin with 73-85 rays. Male reaches sexual maturity at 7-8 years while female at 10-11 years. Spawning occurs chiefly in March, April and May. After spawning, both sexes migrate northwards in search of food. The halibut mainly feeds on other fish including cod, haddock, herring, pogge, sand eels and capelin, but it also eats cephalopods, large crustaceans and other benthos organisms while young halibut feeds on crustaceans such as crabs and prawns. The halibut is preyed upon by seals, and Greenland shark. It is the largest flatfish in the world which reaches up to 470 cm in length and 320 kg in weight. It can live up to 50 years.

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