Alaska pollock or walleye pollock (Theragra chalcogramma) is a species of the cod family Gadidae. Alaska pollock is a semipelagic schooling fish widely distributed in the North Pacific with largest concentrations found in the eastern Bering Sea.While related to the common Atlantic pollock species of the same family the Alaska pollock is not a member of the same Pollachius genus. Given a list of categories: company, educational institution, artist, athlete, office holder, mean of transportation, building, natural place, village, animal, plant, album, film or written work, what category does the paragraph belong to?
Animal