Gobiomorus maculatus (Günther 1859) . Bigscale Sleeper, Pacific Sleeper; Guavina del Pacífico, Bocón, Guavina Bocóna, Dormilón de Escamas Grandes, Dormilón Manchado

Vouchers: UCR 0052-010 (18), 0187-001 (4), 0270-002 (10), 0272-001 (1) and 0273-008 (3); other collections: MCZ 30726 (1), UF 142431 (1) and 233737 (1). Distribution: Eastern Pacific Ocean; from Baja California and the mouth of the Gulf of California, Mexico, to northern Peru, including the Galapagos and Cocos islands; entering estuaries and ascending river courses; (Nicaragua) ER, PN and Ni (Pacific); 0–110 masl; Per, Dia,Amp. Occurrence and conservation status: Nat; LC (2019), population trend unknown. Literature: Villa (1982: 225; detailed description, including illustrations and an identification key, and information on distribution and ecology), Bussing (1998: 422; brief description, including illustrations and an identification key, and information on distribution, with a map, and ecology), Robertson & Allen (2015: 1979; detailed description, including illustrations, and information on distribution, with a map, and ecology) and Angulo (2021: 35; listed, including information on distribution).