* Ichthyapus selachops (Jordan & Gilbert, 1882) .

Smiling Sand Eel. To 54 cm (21.3 in) TL (Robertson and Allen 2002). Costa Rica to Ecuador (Robertson and Allen 2008) to southern tip of Baja California (McCosker and Rosenblatt in Fischer et al. 1995), including Islas Galápagos (Grove and Lavenberg 1997) and other offshore islands (Robertson and Allen 2002). Benthic; depth: intertidal to 34 m (110 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California).