Abstract
The genus Awaous bears a complex taxonomic and phylogenetic history, being considered either member of the subfamily Sicydiinae or treated in the subfamily Gobionellinae. Currently Awaous is divided into three subgenera: Awaous, Chonophorus and Euctenogobius. The validity of species belonging to Awaous is still in debate. For instance, Awaous transandeanus, historically treated as a junio…