Amphistichus koelzi (Hubbs, 1933). Calico Surfperch. To 32.5 cm (12.8 in) TL (Kirk Lombard, pers. comm. to M.L.). Cape Flattery, Washington (Eschmeyer and Herald 1983) to Los Ojitos (about 29’N), central Baja California (Ruiz-Campos et al. 2010). Depth: intertidal to 9 m (30 ft) (Miller and Lea 1972).