Aspidophorus QuadricornisThe fourhorn poacher is a fish in the family Agonidae (poachers). It was described by Achille Valenciennes in 1829, originally under the genus Aspidophorus. It is a marine, temperate water dwelling fish which is known from the northern Pacific Ocean, including the Sea of Okhotsk, the Sea of Japan, the Bering Sea, the Kuril Islands, and Washington, USA. It is non migratory, and dwells at a depth range of 0 to 452 metres (0 to 1,483 ft), most often at