Bathyagonus nigripinnis Gilbert, 1890 .

Blackfin Poacher. To 29 cm (11.4 in) TL (Snytko 1987). Pacific coast of northern Japan (Imamura and Kitagawa 1999), northern Kuril Islands and south-eastern Kamchatka (Tokranov 2000), to Commander–Aleutian Chain, and northern Bering Sea near Cape Navarin (Mecklenburg et al. 2002), to near Point Arguello, California (34°34’N) (Daniel Pondella, pers. comm. to M.L.); one record from southern California (33°04’N, 117°25’W) (NWFSC-FRAM). Benthic; depth: 18–1,596 m (59–5,235 ft) (min.: Allen and Smith 1988; max.: DFO).