Mailed butterflyfish

The mailed butterflyfish (Chaetodon reticulatus), also known as the reticulated butterflyfish or black butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae, This species is found on reefs in the central and western Pacific Ocean. It can be found in the aquarium trade.

Mailed butterflyfish
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Chaetodon
Subgenus: Chaetodon (Citharoedus)
Species:
C. reticulatus
Binomial name
Chaetodon reticulatus
G. Cuvier, 1831
Synonyms[2]
  • Citharoedus reticulatus (Cuvier, 1831)
  • Chaetodon superbus Broussonet, 1831
  • Chaetodon superbus Lesson, 1831

Description

The mailed butterflyfish is a relatively dull coloured species of butterflyfish[3] and it has a mainly blackish body with light grey centres to the scales and a pale back.[4] It has a broad vertical band with yellow edges which runs through the eye with a broad,whote vertical band behind that. The dorsal fin is white, the anal fin. The caudal peduncle is black while the pcaudal fin is whitish blue with a yellow band on the margin which itself has a black submargin. The tail of juveniles is transparent.[3] The dorsal fin has 12-13 spines and 23-29 soft rays while the anal fin has 3 spines and 20-22 soft rays. This species attains a maximum total length of 18 centimetres (7.1 in).[2]

Distribution

The mailed butterflyfish has a wide distribution in the western central Pacific and it is found from Taiwan and the Philippines through Polynesia as far as Hawaii, the Marquesas Islands and the Pitcairn Islands. It extends north as far as the Ryukyu Islands south to New Caledonia.[1] In Australia it is found on the Great Barrier Reef with juveniles being found as far south as the Solitary Islands.[4]

Habitat and biology

The mailed butterflyfish is a relatively common species of exposed seaward reefs, but it may also be found in sheltered lagoon areas, where there is a rich growth of corals and clear water. The juveniles prefer more protected waters than the adults. It is normally encountered in pairs but schools have been recorded.[2] These fish live at depths between 1 and 30 metres (3.3 and 98.4 ft) and they are obligate corallivores which feed mainly on the species in the genus Acropora.[1] This species is oviparous and they breed in monogamous pairs.[2]

Taxonomy

The mailed butterflyfish was first formally Species description in 1831 by the french anatomist Georges Cuvier with the type locality given as Tahiti.[5] It is a close relative of the ornate butterflyfish (C. ornatissimus) and the scrawled butterflyfish (C. meyeri). Together they make up the subgenus called “Citharoedus”, but as this name had already been used for the mollusc genus when it was given to the fish, it is not valid. They are probably quite close to the subgenus Corallochaetodon, which contains the Melon Butterflyfish (C. trifasciatus). Like these, they might be separated into Megaprotodon if the genus Chaetodon is split up.[6][7]

Utilisation

The mailed butterflyfish occasionally appears in the aquarium trade but its specialised diet means that captrive specimens frequently starve to death.[1]

References
  1. Allen, G. & Myers, R. (2010). "Chaetodon reticulatus". IUCN Red List of Threatened Species. 2010: e.T165713A6098956. doi:10.2305/IUCN.UK.2010-4.RLTS.T165713A6098956.en. Retrieved 6 December 2020.
  2. Froese, Rainer and Pauly, Daniel, eds. (2019). "Chaetodon reticulatus" in FishBase. December 2019 version.
  3. "Chaetodon reticulatus". Saltcorner. Bob Goemans. 2012. Retrieved 7 December 2020.
  4. Dianne J. Bray. "Chaetodon reticulatus". Fishes of Australia. Museums Victoria. Retrieved 7 December 2020.
  5. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Chaetodon reticulatus". Catalog of Fishes. California Academy of Sciences. Retrieved 7 December 2020.
  6. 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.
  7. 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. 14: 77–86. Archived 2007-08-11 at the Wayback Machine
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