Registro de Atherinella blackburni (Schultz) (Actinopterygii, Teleostei, Atherinopsidae) na praia de Ponta da Ilha, Ilha de Itaparica, Bahia, Brasil

Atherinella blackburni (Schultz, 1949) (Atherinopsidae), is known in the Atlantic Ocean in Costa Rica, south of Caribe and from Venezuela to central Brazil. The distribution and the intraespecific variation of characters of A. blackburni are poorly known. This study records A. blackburni in Bahia littoral and presents more informations about its intraespecific variation