Ecsenius fourmanoiri
Ecsenius fourmanoiri, the blackstriped combtooth blenny, is a species of combtooth blenny in the genus Ecsenius. It is found in the western Pacific ocean. It can reach a maximum length of 4.9 centimetres. Blennies in this species feed primarily off of benthic algae and weeds. The specific name honours the French ichthyologist Pierre Fourmanoir, who collected the first specimens of this species and realised that it had not been described.