Author: Cuvier, 1831
FBname: Triangle butterflyfish
Comments: Inhabit lagoon and seaward reefs (Ref. 9710).  Closely associated with <i>Acropora</i> corals, particularly the staghorn variety.  Territorial and in pairs (Ref. 9710).  Juveniles solitary among coral branches (Ref. 48636).  Feed mainly on coral polyps and therefore does not adjust easily to aquarium conditions.  Oviparous (Ref. 205), monogamous (Ref. 52884).  Form pairs during breeding (Ref. 205).