Pollack (Lythe)

Pollack (Pollachius pollachius), also known as lythe, is a marine fish species belonging to the cod family Gadidae. These fish are characterized by their elongated bodies, prominent lower jaw, and distinctive lateral line that curves above the pectoral fin. Pollack typically inhabit the northeastern Atlantic Ocean, ranging from the Arctic waters around Norway and Iceland down to the Bay of Biscay and western Mediterranean.

They are found in both coastal and offshore waters, preferring rocky reefs, kelp forests, and areas with complex bottom structures at depths ranging from shallow inshore waters to several hundred meters deep. Adult pollack are active predators, feeding primarily on smaller fish, crustaceans, and marine worms. The species faces significant conservation challenges that have led to its Critically Endangered status under IUCN assessment criteria.

Commercial fishing pressure has been identified as a primary concern, with pollack being targeted both as a commercial species and caught as bycatch in other fisheries. Climate change impacts on marine ecosystems, including ocean warming and acidification, may be affecting their habitat and prey availability. Additionally, coastal development and pollution in their nearshore habitats pose ongoing threats.

Conservation efforts include fishing quotas and regulations in some regions, marine protected area designations, and ongoing population monitoring programs. However, the effectiveness of current conservation measures remains uncertain given the unknown population trend status.

Pollack inhabit the northeastern Atlantic Ocean from Arctic waters to the Mediterranean, preferring rocky reefs, kelp forests, and areas with complex bottom structures. They occupy both coastal and offshore waters at depths ranging from shallow inshore areas to several hundred meters deep.