Eleotris amblyopsis (Cope 1871) . Large-Scaled Spinycheek Sleeper; Guavina, Pez Perro, Lucia, Dormilón, Dormilón Oscuro

Vouchers: UCR 0267-009 (1), 0448-005 (2) and 0449-002 (1); FMNH IBUNAM 13775 (1) and 13777 (1).

Distribution: Western Atlantic Ocean; from North Carolina, USA, to southeastern Brazil; entering estuaries and littoral lagoons and ascending river courses; (Nicaragua) UI, WK, Pr, GM, KP, Es, BF, IM and To (Atlantic); 0–18 masl; Per, Dia, Amp. Occurrence and conservation status: Nat; LC (2019), population trend stable.

Literature: Villa (1982: 222; detailed description, including illustrations and an identification key, and information on distribution and ecology), Bussing (1998: 413; brief description, including illustrations and an identification key, and information on distribution, with a map, and ecology), van den Berghe (2015: 39, as Eliotris amblyopsis — misspelled; listed, including an illustration and information on distribution and ecology), Robertson & Van Tassell (2019: 4095; detailed description, including illustrations, and information on distribution, with a map, and ecology) and Angulo (2021: 34; listed, including information on distribution).