Halibut Treaty Halibut Treaty The Halibut Treaty was a 1923 Canadian–American agreement concerning fishing rights in the northern Pacific Ocean. The treaty established the International Pacific Halibut Commission (IPHC) as a mechanism for the joint management of the Pacific halibut (Hippoglossus stenolepis) which, at that time, was in severe decline. The commission originally had four members but now has six, which are selected from industry and related government agencies. Half the members are Canadian and half are from the United States. The treaty also had a provision for a closed season, so halibut could not be fished during the more dangerous winter
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