The Redlip Blenny is commonly referred to as the Lipstick blenny and Devilfish, is a bottom dwelling fish that is primarily brown with red around its lips and its fins. The Redlip Blenny grows up to 8 inches and it is advisable to keep in a tank not less than 20 gallons. The Redlip Blenny has an elongated body and protruding forehead in front of the snout. The Redlip Blenny is named appropriately as its protruding lips are reddish. It prefers plenty of natural algae growth as it loves to graze over it and will also keep the tank clean. The Redlip Blenny also feels comfortable perching on rocks near the bottom of the tank, requires caves and crevices for its comfort. It is considered one of the most aggressive blennies and will claim and defend its own territory. The Redlip Blenny is considered coral and invertebrate safe, and can be kept in a reef tank. The Redlip Blenny males are found bigger than the female, who has an extra black edge on the ventral and tail fins. It accepts many other types of food like pellets, frozen formulas, brine shrimp and others. The Redlip Blenny is equipped with two fang-like teeth and it will not hesitate to use them to defend its territory. It can attack fishes that are almost twice its own size.