Centroscyllium nigrum Garman, 1899 .

Combtooth Dogfish or Pacific Black Dogfish. To 52 cm (20.4 in) TL (Ebert et al. 2013). Southern California (Eschmeyer and Herald 1983) and northern Baja California (Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California) to central Chile (Sielfeld and Vargas 1996), Isla del Cocos, Islas Galápagos, and Hawai’i (Eschmeyer and Herald 1983). Depth: 269–1,212 m (883–3,975 ft) (min.: Long 1994; max.: Bradburn et al. 2011). What was likely a combtooth dogfish was photographed off La Jolla, southern California, at a depth of 32 m (105 ft) (Herb Gruenhagen, pers. comm. to M.L.).