Author: (Bennett, 1831)
FBname: Brown-and-white butterflyfish
Comments: Inhabit open water off the reef edge (Ref. 6113), to depths greater than 35 m (Ref. 9710).  Form large schools.  Feed on zooplankton and algae (Ref. 5503) above the reef (Ref. 5372).  Oviparous (Ref. 205).  Form pairs during breeding (Ref. 205).  Replaced by <i>H. polylepsis at Christmas and Cocos-Keeling Islands (Ref. 90102).