Halichoeres nicholsi (Jordan & Gilbert, 1882). Spinster Wrasse. To 40.6 cm (16 in) TL (J. Snow, pers. comm. to Milton Love). Isla Guadalupe, central Baja California (Gotshall 1998); about Punta Eugenia, central Baja California (Robertson and Allen 2015) and Gulf of California (Gomon in Fischer et al. 1995) to Ecuador (Béarez 1996), including vicinity of Cabo San Lucas, southern Baja California (Gomon in Fischer et al. 1995), Islas Galápagos (Grove and Lavenberg 1997), and other offshore islands (Robertson and Allen 2002). Depth: intertidal to 82 m (269 ft) (min.: Thomson and Lehner 1976: max.: Thomson et al. 2000).