Chaetodon melapterus

Least Concern  (IUCN 3.1)[1] (Globally)

Vulnerable  (IUCN 3.1)(Persian Gulf)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Chaetodon
Subgenus: Chaetodon (Corallochaetodon)
Species:
C. melapterus
Binomial name
Chaetodon melapterus
Guichenot, 1863
Synonyms[2]

Chaetodon melapterus, the Arabian butterflyfish, blackfin butterflyfish, or black-finned melon butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the north western Indian Ocean.

Description

Chaetodon melapterus has an almost totally bright yellow body except for the posterior edge which is black. The dorsal fin, anal fin and caudal fin are also deep black. There are three vertical, black bands on the face, one on the snout around the mouth, one through the eye and one just behind the eye.[3] The dorsal fin contains 13 spines and 19–21 soft rays while the anal fin has 3 spines and 18–19 soft rays. This species attains a maximum total length of 13 cm (5.1 in).[2]

Distribution

Chaetodon melapterus is found in the north western Indian Ocean where it is found in the Persian Gulf, off the southern coasts Arabian Peninsula from the Gulf of Oman to the Gulf of Aden, and in the southern Red Sea.[1]

Habitat and biology

Chaetodon melapterus is found in shallow coastal reefs where it prefers areas with rich coral growth. They live in pairs but there have been occasional records of aggregations. It is an obligate corallivore, feeding exclusively on the polyps. It is an oviparous species which forms pairs to breed.[2] It lives at depths of between 2 and 16 metres (7 and 52 ft).[1]

Taxonomy

Chaetodon melapterus was first formally described in 1863 by the French zoologist Alphonse Guichenot with the type locality given as Réunion,[4] although this is likely to be in error as the species has not been recorded from the Mascarenes.[2] This species, together with the blacktail butterflyfish (C. austriacus), melon butterflyfish (C. trifasciatus), and oval butterflyfish (C. lunulatus) make up the subgenus Corallochaetodon. This group is probably quite closely related to the subgenus "Citharoedus" (the name is a junior homonym of a mollusc genus), which contains the scrawled butterflyfish (C. meyeri). These subgenera may be separated into the genus Megaprotodon if the genus Chaetodon is split up.[5][6]

Utilisation

Chaetodon melapterus is unsuitable for keeping in aquaria because of its specialised diet of coral. It makes an occasional appearance in the trade.[1]

References

  1. 1 2 3 4 Pyle, R.; Rocha, L.A.; Craig, M.T.; Pratchett, M. (2010). "Chaetodon melapterus". IUCN Red List of Threatened Species. 2010: e.T165724A6102242. doi:10.2305/IUCN.UK.2010-4.RLTS.T165724A6102242.en. Retrieved 20 November 2021.
  2. 1 2 3 4 Froese, Rainer; Pauly, Daniel (eds.) (2019). "Chaetodon melapterus" in FishBase. December 2019 version.
  3. ↑ "Chaetodon melapterus". Saltcorner. Bob Goemens. 2012. Retrieved 7 December 2020.
  4. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Chaetodon melapterus". Catalog of Fishes. California Academy of Sciences. Retrieved 7 December 2020.
  5. ↑ Fessler, Jennifer L.; Westneat, Mark W (2007). "Molecular phylogenetics of the butterflyfishes (Chaetodontidae): Taxonomy and biogeography of a global coral reef fish family". Molecular Phylogenetics and Evolution. 45 (1): 50–68. doi:10.1016/j.ympev.2007.05.018.
  6. ↑ Hsu, Kui-Ching; Chen, Jeng-Ping & Shao, Kwang-Tsao (2007). "Molecular phylogeny of Chaetodon (Teleostei: Chaetodontidae) in the Indo-West Pacific: evolution in geminate species pairs and species groups" (PDF). Raffles Bulletin of Zoology. Supplement Series. 14: 77–86. Archived from the original (PDF) on 2007-08-11. Retrieved 2021-02-19.
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