Chromis atrilobata Gill, 1862. Scissortail Chromis or Scissortail Damselfish. To about 13.4 cm (5.3 in) TL (Balart et al. 2006). Isla Guadalupe (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) and Isla de Cedros and Islas San Benito (Ramírez-Valdez et al. 2015), central Baja California and (mainland) Rocas Chester (27°53’N, 115°47’W) (M.L., unpubl. data) to Pucusana, Peru (Chirichigno and Vélez 1998), including Gulf of California (Schneider and Krupp in Fischer et al. 1995) and Islas Galápagos (Grove and Lavenberg 1997). Intertidal to 80 m (262 ft) (min.: Castellanos-Galindo et al. 2014; max.: Schneider and Krupp in Fischer et al. 1995).