Atlantic halibut information is available to indicate a need to list the species under the U.S. Endangered Species Act (ESA). The American Fisheries Society has classified the species as "Vulnerable". In 2010, Greenpeace International added the Atlantic halibut to its seafood red list of "fish that are commonly sold in supermarkets around the world, and which have a very high risk of being sourced from unsustainable fisheries." Atlantic halibut The Atlantic halibut ("Hippoglossus hippoglossus") is a flatfish of the family Pleuronectidae. They are demersal fish living on or near sand, gravel or clay bottoms at depths of between . The halibut is
Paralichthys adspersus 1842 as "Hippoglossus kingii", which would have placed it in the left-eye flounder family. However, the description of "H. kingii" has been determined to lack sufficient information to absolutely determine which species it describes and is thus considered ambiguous and therefore is not valid. Paralichthys adspersus Paralichthys adspersus, the fine flounder, is a species of large-tooth flounder native to the eastern Pacific Ocean, along the continental shelf from the coast of Ecuador in the north to the coast of Peru in the south. It is a medium-sized flatfish, growing up to 70 cm in length, with females typically being larger