Phtheirichthys lineatus (Menzies, 1791) .

Slender Suckerfish. To 76 cm (29.9 in) TL (Eschmeyer and Herald 1983). Circumglobal; southern California (Miller and Lea 1972) to northern Peru (Robertson and Allen 2015), including Gulf of California (Robertson and Allen 2002), and Islas Galápagos (Grove and Lavenberg 1997). Oceanic, pelagic; depth: surface to 100 m (328 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Robertson and Allen 2008).