Alopias pelagicus Nakamura, 1935 .

Pelagic Thresher. To 4.28 m (14.04 ft) TL (Weigman 2016). Circumglobal; western Pacific Ocean north to southern Japan (Yoshino and Aonuma in Nakabo 2002); southern California (Hanan et al. 1993) to Panama, including southern tip of Baja California (Compagno et al. in Fischer et al. 1995); Gulf of California (Bizzarro et al. 2009); Islas Galápagos (Grove and Lavenberg 1997); Colombia (Mejía-Falla et al. 2007) and Peru (Cornejo et al. 2015) . Oceanic; depth: surface to at least 300 m (984 ft) or more (Weigman 2016).