Greenland halibut

Greenland Halibut

Greenland Halibut

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The Greenland Halibut (Reinhardtius hippoglossoides) is a species of flatfish found in the cold waters of the North Atlantic and Arctic Oceans. It is also known as the Greenland turbot or the Greenland flounder.

Description

The Greenland Halibut is a large, deep-water flatfish that can reach lengths of up to 1.5 meters and weigh over 100 kilograms. It has a diamond-shaped body with both eyes on the right side. The upper side of the fish is usually dark brown or black, while the underside is white. It has a small mouth and sharp teeth.

Distribution and Habitat

Greenland Halibut is found in the North Atlantic Ocean, ranging from the coasts of Greenland and Iceland to the Barents Sea and the Davis Strait. It is a cold-water species that inhabits depths of up to 2,000 meters. It prefers rocky or sandy bottoms and is often found near underwater canyons and slopes.

Diet and Feeding

Greenland Halibut is a carnivorous species that primarily feeds on other fish, including cod, herring, and capelin. It is an opportunistic feeder and will also consume crustaceans and squid when available. The species is known for its voracious appetite and can consume prey that is up to half its own size.

Reproduction

The reproductive behavior of Greenland Halibut is not well understood due to its deep-water habitat. It is believed to be a batch spawner, with females releasing large quantities of eggs into the water column. The eggs are buoyant and float near the surface, where they hatch into larvae. The larvae then undergo a metamorphosis, during which one eye migrates to the other side of the body, resulting in the characteristic flatfish shape.

Fisheries

Greenland Halibut is commercially important and is targeted by fisheries in the North Atlantic. It is highly valued for its firm, white flesh, which is often used in seafood dishes. The species is caught using trawls and longlines, with the majority of the catch being exported to markets in Europe and North America.

Conservation

The conservation status of Greenland Halibut is currently unknown. However, due to its slow growth rate and vulnerability to overfishing, some fisheries have implemented management measures to ensure sustainable harvests. These measures include catch limits, size restrictions, and seasonal closures.

Greenland_halibut

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  Reinhardtius hippoglossoides

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  Fletan du Groenland tête

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  Greenland halibut