Descripci?3n de Thorichthys panchovillai sp. n., una nueva especie de c?-clido (Actinopterygii: Cichlidae) de la cuenca del R?-o Coatzacoalcos, M??xico

摘要

Thorichthys panchovillai, new species, is described, from distinctive of the tributaries of the River Coatzacoalcos basin, Mexico. The new species is diagnosed by a set of characters: dorsal fin rays XVI, 8 - 9; anal fin rays VII, 6 - 7; pectoral fin rays, I, 11 - 12; total gill-rakers on the first branchial cleft 11 - 12; subopercular stain present although weakly intensified, it exposes a notable sexual dimorphism that distinguishes it from others: the female possess a black blotch between the fifth and sixth dorsal spine