On Juvenile/Small Blue Hippo Tang Yellow Belly, the yellow belly color will develop as the fish matures.

The Blue Hippo Tang Yellow Belly is commonly refereed to as the Flagtail surgeonfish, common surgeon, or doctorfish. With its beautiful and vivid colored body, the Blue Hippo Tang Yellow Belly makes a gorgeous addition to any tank. The Blue Hippo Tang Yellow Belly has yellow coloration on the caudal fin that continues across the belly region and gives a unique look to this fish. It is sure to be an impressive addition to reef or fish-only aquariums. The Blue Hippo Tang Yellow Belly requires plenty of live rocks offering  hiding spaces and plenty of open swimming space.. Although it is peaceful towards most tank mates, the Blue Hippo Tang Yellow Belly demonstrates aggressive behavior towards other fish of its own species. If you wish to keep a group in to the tank, make sure to introduce them all in once. The Blue Hippo Tang Yellow Belly should be offered plenty of marine-based algae or seaweed that helps in strengthening immune system, reduce aggression and improve their overall health. It is more susceptible to lateral line disease, fin erosion, ich and other skin parasites than many other fish.  When frightened, the yellow belly blue hippo tang, particularly juveniles, hide behind live rocks or within branching corals.