8458 Coelorinchus macrochir (Günther, 1877) Macrouridae Grenadiers or rattails Gadiformes Teleostei Longarm grenadier Northwest Pacific: Japan (Okinawa Trough, Pacific coast southward from Hokkaido), East China Sea (off Kagoshima Prefecture), Sea of Okhotsk and Korea (off Ulsan, Gyeongsangnam-do).