Heniochus pleurotaenia

Heniochus pleurotaenia, the phantom bannerfish, is a marine fish belonging to the family Chaetodontidae, native from the central Indo-Pacific area.

Heniochus pleurotaenia

Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Heniochus
Species:
H. pleurotaenia
Binomial name
Heniochus pleurotaenia
(Ahl, 1923)

Description

The phantom bannerfish is a small-sized fish that can reach a maximum length of 17 cm.[2][3]

Its body is compressed laterally, with the first rays of its dorsal fin stretched in short white feather-like filaments. The background color is white with light chocolate to dark areas and a brown face mask covering the mouth, eyes and reaches to the base of the first rays of the dorsal fin. Its stretched snout has a small terminal protractile mouth. A little horn adorns the axis between the eyes and a rounded frontal outgrowth gives the impression that the profile of its face is concave. A second area forms an inverted "v" starting at the ventral fins and ending on the anal fin. A third chocolate area runs from the last rays of the dorsal fin to the base of caudal peduncle.

The phantom bannerfish can be confused with the very similar horned bannerfish, Heniochus varius, which however does not have the reversed "v" pattern on its sides. Juveniles who lack the white insert can be distinguished by the shorter extension of the first rays of the dorsal fin.

Distribution and habitat

The phantom bannerfish is widespread throughout the tropical and subtropical waters of the central Indo-Pacific from the Maldives to the western coast of Thailand and from the south tip of India to Java (Indonesia).[1][2] It inhabits areas rich in coral in shallow lagoons and external reef slopes from the surface to a depth of 25 meters.

Biology

The species feeds on zooplankton.[2] Phantom bannerfish from continental coasts usually live in pairs, those from island habitats in small groups.[3]

Conservation status

In some geographic areas, the phantom bannerfish is occasionally harvested for the aquarium trade, however, the species does not currently appear threatened is listed as Least Concern (LC) by the IUCN.[1]

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References
  1. Myers, R.; Pratchett, M. (2010). "Heniochus pleurotaenia". IUCN Red List of Threatened Species. 2010: e.T165608A6067002. doi:10.2305/IUCN.UK.2010-4.RLTS.T165608A6067002.en.
  2. Lieske & Myers (2009). Coral reef fishes. Princeton University Press. ISBN 9780691089959.
  3. Rudie Kuiter (2004). Chaetodontidae & Microcanthidae. Aquatic Photographics. ISBN 0953909735.
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