Hawaiian blackhead triplefin
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Blenniiformes
Family: Tripterygiidae
Genus: Enneapterygius
Species:
E. atriceps
Binomial name
Enneapterygius atriceps
(Jenkins, 1903)
Synonyms[2]
  • Tripterygium atriceps Jenkins, 1903

The Hawaiian blackhead triplefin (Enneapterygius atriceps), also known as the Hawaiian triplefin in Hawaii,[2] is a species of triplefin blenny in the genus Enneapterygius.[2] It is a tropical blenny found in coral reefs in the Pacific Ocean, from the Hawaiian Islands, French Frigate Shoals, Laysan Island, and Midway Atoll.[2] Blennies in this species swim at a depth range of 1–23 metres, and inhabit dead coral and rock.

It was originally described by O.P. Jenkins in 1903,[3] as a species of Tripterygion, but was reassigned to Enneapterygius by R. Fricke in 1997.[4]

Description

The Hawaiian blackhead triplefin is considered part of the Enneapterygius hemimelas species group. It is considered a small or medium member of the group,[4] with males reaching a maximum length of 2.6 centimetres.[2] Males can be distinguished from females by their dark head colouring.[4]

References

  1. ↑ Williams, J. (2014). "Enneapterygius atriceps". IUCN Red List of Threatened Species. 2014: e.T178920A1547937. doi:10.2305/IUCN.UK.2014-3.RLTS.T178920A1547937.en. Retrieved 19 November 2021.
  2. 1 2 3 4 5 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Enneapterygius atriceps" in FishBase. April 2019 version.
  3. ↑ Jenkins, O. P. (1903). "Report on collections of fishes made in the Hawaiian Islands, with descriptions of new species". Bulletin of the U. S. Fish Commission. 22: 415–511.
  4. 1 2 3 Fricke, R. (1997). "Tripterygiid fishes of the western and central Pacific, with descriptions of 15 new species, including an annotated checklist of world Tripterygiidae (Teleostei)". Theses Zoologica. 29: 1–607.


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