Pennant Bannerfish
Heniochus chrysostomus
Summary & Description 2
Heniochus chrysostomus, also known as the threeband pennantfish, threeband bannerfish or pennant bannerfish, is a marine ray-finned fish, a butterflyfish from the family Chaetodontidae.It is found in the Indo-Pacific region.
Heniochus chrysostomus is a small-sized fish that can reach a maximum length of 18 cm. The body is laterally strongly flattened, with a basic white color and three broad oblique brown bands. The first dark brown band runs from the forehead up to the ventral fins, the second from the dorsal fin to the anal fin, the third is adjacent to the dorsal fin. The first rays of the dorsal fin is elongated and looks like a black and white feather.
Head shows a short snout and a small protractile mouth. This bannerfish has a distinctive yellow coloration pattern on the mouth, top of the snout and running between its eyes. The posterior part of its dorsal fin, its caudal fin and the pectoral fins are orange-yellow. Juveniles have an ocellus which is a black spot rimmed with orange-yellow, on the bottom of its anal fin.
Sources and Credits
- (c) John Sear, some rights reserved (CC BY-NC), uploaded by John Sear
- Adapted by John Sear from a work by (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Heniochus_chrysostomus
