Hydrolagus colliei (Lay & Bennett, 1839) .

Spotted Ratfish or Whitespotted Ratfish. Verified to 63 cm (24.8 in) TL (Barnett et al. 2015), possibly to 97 cm (38.2 in) TL (Miller and Lea 1972). Western Gulf of Alaska (Mecklenburg et al. 2002) to Cabo Blanco (9°26’N, 85°30’W); Costa Rica (Angulo et al. 2014); northern Gulf of California (Hart 1973). Two isolated populations in the Gulf of California: one at Isla Tiburon, the other in the Bahiá de La Paz–Cabo San Lucas region (González-Acosta et al. 1999). Usually near bottom; depth: surface (Clemens and Wilby 1961), intertidal to 1,593 m (5,225 ft) (min.: Cross 1981; max.: Mejía-Mercado et al. 2014).