Biology:Heniochus

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Short description: Genus of fishes

Heniochus
Pennant coralfish melb aquarium edit2.jpg
Pennant coralfish, Heniochus acuminatus
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Heniochus
G. Cuvier, 1816
Type species
Chaetodon macrolepidotus
Linnaeus, 1758[1]
Synonyms[1]
  • Diphreutes Cantor, 1849
  • Taurichthys Cuvier 1829

Heniochus is a genus of marine ray-finned fish, butterflyfishes from the family Chaetodontidae. They are native to the Indo-Pacific. Though very similar in appearance to the Moorish idol (Zanclus cornutus), the members of this genus are not closely related to it.

Characteristics

Heniochus species are distinguished within the Chaetodontidae by having the fourth spine in the dorsal fin elongated, or even forming a filament. The supraorbital crests in adults have spines or horn-like protuberances. They normally have a hump, or at least a robust bony growth on the nape.[2]

Etymology

Heniochus is Greek for a “carriage driver” or “coachman” and is a reference to the long, filamentous 4th dorsal spine of these fish, resembling the whip of a coachman.[3]

Species

There are currently eight recognized species in this genus:[4]

Pictorial identification

References

  1. 1.0 1.1 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Chaetodontidae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Chaetodontidae. 
  2. R. Pyle (2001). "CHAETODONTIDAE". in Kent E. Carpenter; Volker H. Niem. FAO, Rome. http://www.fao.org/3/y0770e/y0770e43.pdf. 
  3. "Order ACANTHURIFORMES (part 1): Families LOBOTIDAE, POMACANTHIDAE, DREPANEIDAE and CHAETODONTIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. 21 July 2020. http://www.etyfish.org/acanthuriformes1/. Retrieved 24 November 2020. 
  4. Froese, Rainer and Pauly, Daniel, eds. (2013). Species of Heniochus in FishBase. February 2013 version.

Wikidata ☰ Q254577 entry