Lythrypnus dalli (Gilbert, 1890) .

Bluebanded Goby. To 6.4 cm (2.5 in) TL (Eschmeyer and Herald 1983). Monterey Bay, central California (Personal communication: California Academy of Sciences Fish Collection, San Francisco, California) to Islas Lobos de Afuera, Peru (Grove and Lavenberg 1997), including Gulf of California (Robertson and Allen 2002), and Islas Galápagos (Miller and Lea 1972). Benthic; depth: intertidal to 76 m (250 ft) (Eschmeyer and Herald 1983). Islas Galápagos specimens previously identified as Lythrypnus crinitus Ginsburg, 1939 .