Famili : Pomacentridae Genus : Abudefduf Spesies : Abudefduf Elizabethae Group : Damselfishes Name : Blue Devil Blue Devil slender-bodied fish, similar body structure weight tilapia fish. The whole body of fish is colored bright blue dominant, sometimes accompanied by a point - the white point. At the end of the dorsal fin there is usually a black dot. located dipangkal fins. As the name implies, these fish are very active fish. These fish often seen swimming rapidly caught up with food or just play - play with his flock. Although the move is very agile, these fish are generally less likely to interfere with other fish, perhaps because of its small size, this fish is very suitable for beginners or maintained in aquaris who want to try the quality of sea water, because besides the price is relatively cheap, these fish also possess the power remarkable survival.