Ecsenius yaeyamaensis, known commonly as the Yaeyama blenny in Guam and Micronesia, and also known as the Yaeyama clown blenny in Micronesia, or the Pale-spotted combtooth-blenny in Indonesia, is a species of combtooth blenny in the genus Ecsenius. It is found in coral reefs in the western Pacific and Indian oceans. It can reach a maximum length of 6 centimetres. Blennies in this species feed primarily off of plants, including benthic algae and weeds, and are commercial aquarium fish.