Thalassoma lucasanum (Gill, 1862) .

Cortez Rainbow Wrasse. To 15 cm (5.9 in) TL (Allen and Robertson 1994). Islas San Benito and Isla de Cedros (Ramírez-Valdez et al. 2015), and (mainland) Rocas Chester (27°53’N, 115°04’W), central Baja California (M.L., unpubl. data), to central Peru (Robertson and Allen 2015), including Gulf of California (Gomon in Fischer et al. 1995) and Islas Galápagos (Grove and Lavenberg 1997). Depth: intertidal to 64 m (210 ft) (min.: Weaver 1970; max.: Gomon in Fischer et al. 1995).