Shoal of Pennant coralfish (Heniochus diphreutes), Basterra Reef, Sulu Sea, Philippines AKA Pennant Butterflyfish and Schooling Bannerfish and False Moorish Idol
                       
Chevroned Butterflyfish (Chaetodon trifascialis), night time coloration, Sanganeb reef, Sudan Red Sea. Indian Ocean
                       
Pair of Masked Butterflyfish (Chaetodon semilarvatus) Sudan Red Sea Sanganeb Reef. AKA Golden or Lemon Butterflyfish
                       
butterflyfish
                       
Butterfly fish