Naucrates ductor (Linnaeus, 1758) .

Pilotfish. To 70 cm (27.6 in) TL (Smith-Vaniz in Fischer et al. 1995). Circumglobal; western Pacific Ocean north to Japan (Senou in Nakabo 2002) and southern Kuril Islands (Savinykh 1998); Vancouver Island, British Columbia (Eschmeyer and Herald 1983) to Chile (Pequeño 1989), including Gulf of California (Smith-Vaniz in Fischer et al. 1995) and such offshore islands as Islas Galápagos (Miller and Lea 1972). Depth: surface to 430 m (1,410 ft) (Roberts et al. 2015).