Atherinella eriarcha Jordan & Gilbert, 1882 .

Longfin Silverside. To at least 8.5 cm (3.3 in) SL (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California). Bahía San Hipólito, southern Baja California (Watson in Moser 1996) to Colombia (Lavenberg and Chernoff in Fischer et al. 1995), including lower Gulf of California (Lavenberg and Chernoff in Fischer et al. 1995). Depth: surface (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), intertidal to 15 m (50 ft) (min.: Robertson and Allen 2002; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California).