Guide to the otoliths of the Engraulidae (Clupeiformes Osteichthyes) of the coast of Parana state, Brazil

Sagitta otoliths were described for samples of Anchoa filifera, A. lyolepis, A. parva, A. spinifer, A. tricolor, Anchoviella lepidentostole, Cetengraulis edentulus and Lycengraulis grossidens The geometrical shape, the type and margin's shape, and the otoliths structures were observed. The morphometrical measurements included the lenghts and the heights of the studied otoliths and their structures, The different genus and species examined presented some specific characters. According to those characters, a sistematic key was established to help in the identification of the species of. the Engraulidae through it's otoliths.