Ecsenius schroederi, known commonly as the Schroeder's combtooth-blenny in Indonesia, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in the western Pacific ocean, specifically in Indonesia. It can reach a maximum length of 7 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds, and are commercial aquarium fish. The species was named in honour of Jack R. Schroeder.