Cataetyx rubrirostris Gilbert, 1890 .

Rubynose Brotula . To 15.7 cm (6.2 in) TL (Kong et al. 1988). If the South American form is not this species, the maximum length is 13 cm (5.2 in) TL (Eschmeyer and Herald 1983). Queen Charlotte Sound, British Columbia (51°25’N, 130°46’W) (Hanke et al. 2015) to central Baja California (28°48’N) (Cruz-Acevedo et al. 2018) and Gulf of California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California); Punta Coles, Peru (Chirichigno and Vélez 1998) to central Chile (Sielfeld and Vargas 1996). Specimens from South America may be this or an undescribed species (Nielsen and Cohen in Nielsen et al. 1999). Juveniles mesopelagic, larger individuals benthic at 212–3,824 m (695–12,543 ft) (min. Keller et al. 2006b; max.: Personal communication: Los Angeles County Museum of Natural History Fish Collection, Los Angeles, California).