Centropomus medius Günther, 1864 .

Bigeye Snook, Blackfin Snook; Róbalo Aleta Manchada, Róbalo Aleta Prieta, Róbalo Ojón, Gualaje Aleta Manchada.

Distribution: Global: Eastern Pacific Ocean; from southern Baja California and the Gulf of California, Mexico, to northern Peru; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: Ni, Te, Be, Ba, Ta, Pi, Tr and Co (Pacific), 0– 250 m.a.s.l., Per, Dia.

Occurrence and conservation status: Nat, LC.

References: Bussing (1998: 265; brief description, including illustrations and an identification key, information on distribution, with a map, and ecology), Angulo et al. (2013: 998; listed, including taxonomic information and distributional data) and Robertson & Allen (2015: 1088; detailed description, including illustrations, information on distribution, with a map, and ecology).