Regalecus russelii (Cuvier, 1816) .

Oarfish. To 7–8 m (23–26 ft) (Roberts 2012). Western Pacific Ocean off Japan (Hiyashi in Nakabo 2002); Surf (34°41’N, 120°36’W), California (Richard Feeney, pers. comm. to M.L.) to Panama (Roberts 2012). Primarily epipelagic and mesopelagic (Roberts 2012). We follow Roberts (2012) and separate this species from R. glesne Ascanius, 1772 .Also spelled Regalecus russellii by some authorities (Fricke et al. 2020).