Synodus evermanni Jordan & Bollman, 1890. Spotted Lizardfish. To 48 cm (18.9 in) TL (Amezcua Linares 1996). Bahía de Sebastian Vizcaino, southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to Bahía de Chilea, Peru (Chirichigno 1974), including Gulf of California (Robertson and Allen 2002). Benthic: depth: surface (nightlight; Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), 10–300 m (33–984 ft) (min.: Allen and Robertson 1994; max.: Morales-Nin 1992). Large genetic differences in fish taken off Central America imply that this may be a species complex (Robertson et al. 2017).

Synodus lacertinus Gilbert, 1890. Banded Lizardfish, Calico Lizardfish, or Reef Lizardfish. To 23.9 cm (9.4 in) TL (John Snow, pers. comm. to M.L.). From 6 km (4 mi) south of U.S. –Mexican border (Groce, Lagos, and Nestler 2001) to Chile (Pequeño 1989), including Gulf of California (Bussing and Lavenberg in Fischer et al. 1995) and Islas Galápagos (Grove and Lavenberg 1997) and other offshore islands (Robertson and Allen 2002). Benthic; depth: surface (nightlight; Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), 1–156 m (3–512 ft) (min.: Robertson and Allen 2002; max.: Zeballos Flor et al. 1998).

Synodus lucioceps (Ayres, 1855). California Lizardfish. To 63.9 cm (25.2 in) TL (Miller and Lea 1972). Cape Beal, British Columbia (Fulton and LeBrasseur 1985) to Guaymas, Gulf of California (Miller and Lea 1972). Benthic; depth: surface (nightlight; Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), 1–250 m (4–820 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: NWFSC-FRAM).

Synodus scituliceps Jordan & Gilbert, 1882. Lance Lizardfish or Shorthead Lizardfish. To 55 cm (21.6 in) TL (Amezcua Linares 1996). Ensenada Bay (31°51’N, 116°38’W) (Personal communication: California Academy of Sciences Fish Collection, San Francisco, California), northern Baja California, Isla Guadalupe, central Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) and Laguna San Ignacio, southern Baja California (De La Cruz-Agüero and Cota-Gómez 1998) into Gulf of California (Bussing and Lavenberg in Fischer et al. 1995) to Chile (Pequeño 1989) and Islas Galápagos (Grove and Lavenberg 1997). Marine and brackish waters (Romero-Berny et al. 2021); benthic; depth: surface (nightlight; Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California), intertidal to 172 m (3–564 ft) (min.: Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California; max.: Zeballos Flor et al. 1998).

Synodus sechurae Hildebrand, 1946. Iguana Lizardfish. To 47.6 cm (18.7 in) TL (Nieto-Navarro et al. 2010). Bahía Magdalena, southern Baja California (Personal communication: Scripps Institution of Oceanography Fish Collection, La Jolla, California) to Bahía de Sechura, Peru (Chirichigno and Veléz 1974), including Gulf of California. Benthic; depth: 3–117 m (10–384 ft) (min.: Godínez-Domínguez et al. 2000; max.: Castellanos-Galindo et al. 2006b).