Sphoeroides rosenblatti Bussing, 1996 .

Oval Puffer; Tamboril Imitador, Tamboril Ovalado.

Distribution: Global: Eastern Pacific Ocean; from El Salvador to Ecuador; entering estuaries and littoral lagoons and ascending river courses; Costa Rica: Ba, Tr and Co (Pacific), 0– 32 m.a.s.l., Per, Dia.

Occurrence and conservation status: Nat, LC.

References: Angulo et al. (2013: 1011; listed, including taxonomic information and distributional data) and Robertson & Allen (2015: 2437; detailed description, including illustrations, information on distribution, with a map, and ecology).