Centropyge flavicauda

Centropyge flavicauda, commonly known as the Pygmy Yellowtail Angelfish, is one of the smallest angelfish. C. flavicauda is now often seen as a synoniem for Centropyge fisheri. This fish is also known as the Whitetail angelfish or the Orange angelfish, but being a very variable species, these common names don’t apply to all C. fisheri. Their body can range from brownish-orange all the way to dark blue. Their caudal fin is semi-transparant white or yellow but all have a blue rim along the pelvic, dorsal and anal fin with blue-black dashes along the rear edge of the dorsal and anal fin.

Like all other angelfish it's hermphroditic and the most dominant fish will turn into a male when there is no other male around. These fish are quite peaceful but be careful combining them with fish a lot smaller or larger and other (dwarf)angelfishes. Although dwarf angels are certainly more likely to be reef safe compared to their larger relatives and thus seen more often in reef tank, they're always a risk. C. fisheri is considered relatively reef safe and friendly, but some individuals might harass certain corals (usually LPS or clams) to the point they can't be combined anymore. Keeping them well fed seems to reduce the risk, so make sure to feed them a proper varied diet of algae and meaty foods to make them really happy!