Blackass Combtooth Blenny

Ecsenius lividanalis, known commonly as the blue-head combtooth-blenny in Indonesia, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs throughout the western Pacific ocean. It can reach a maximum length of 5 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds, and are commercial aquarium fish.