Heniochus chrysostomus

Heniochus chrysostomus
Heniochus chrysostomus from Borneo
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Chaetodontidae
Genus:	Heniochus
Species:	H. chrysostomus
Binomial name
Heniochus chrysostomus G. Cuvier, 1831
Synonyms
Chaetodon teatae Curtiss, 1938 Heniochus chrysostomas Cuvier, 1831 Heniochus drepanoides Thiollière, 1857 Heniochus melanistion Bleeker, 1854 Heniochus permutatus

Heniochus chrysostomus, common name Threeband pennantfish, is a tropical fish of the family Chaetodontidae.

Description

Heniochus chrysostomus can attain a maximum length of 18 centimetres (7.1 in) in males. The body is oval, laterally flattened, with a basic white color and three broad oblique brown bands. The first band runs from the forehead up to the pelvic fins, the second from the dorsal fin to the anal fin, the third is adjacent to the dorsal fin. The dorsal fin is elongated, in juveniles much more than in adults. Juvenile fishes are solitary. The snout tip is yellow. This species is oviparous and feeds on coral polyps.

Fins formula: Dorsal XII-XIII/21-22, Anal 17-18.

Heniochus chrysostomus

Distribution

This species has an Indo-Pacific distribution, from Western India to Pitcairn Islands, Japan, southern Queensland, Micronesia and New Caledonia.

Habitat

Threeband pennantfish typically lives below the intertidal zone in coastal waters and in shallow water lagoon among the coral reefs, at a depth of 2–40 metres (6 ft 7 in–131 ft 3 in).

References

• Eric Parmentier1, Kelly S. Boyle, Laetitia Berten, Christophe Brié and David Lecchini Sound production and mechanism in Heniochus chrysostomus
• Fish Base
• Biolib
• Discover Life