Aeoliscus Centriscops Centriscus Subfamily Macroramphosinae Macroramphosus Their bodies are highly compressed, and mostly covered with bony plates. The first spine of the dorsal fin is long and sharp, and displaced to the rear of the body; two additional spines, the rest of the dorsal fin, and the caudal fin have all moved to the ventral side of t... Found on http://en.wikipedia.org/wiki/Centriscidae