Chaetodon auripes

Chaetodon auripes, the oriental butterflyfish, is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is found in the western Pacific Ocean off Eastern Asia.

Chaetodon auripes
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Chaetodontidae
Genus: Chaetodon
Subgenus: Chaetodon (Rabdophorus)
Species:
C. auripes
Binomial name
Chaetodon auripes
Jordan & Snyder, 1901
Synonyms[2]
  • Chaetodon aureus Temminck & Schlegel, 1844
  • Chaetodon fallax Ahl, 1923
  • Chaetodon dorsiocellatus Ahl, 1923

Description

Chaetodon auripes has a mainly yellow body marked with a wide vertical band running through the eyes which is black with a slightly thinner white band immediately behind that. The juveniles have a black ocellus on the upper part of soft-rayed part of the dorsal fin. This fades as the fish matures. The dorsal, anal and pelvic fins are all vivid yellow in colour.[3] The dorsal fin has 12 spines and 23-24 soft rays while the anal fin has 3 spines and 18-19 soft rays. This species reaches a total length of 20 centimetres (7.9 in).[2]

Distribution

Chaetodon auripes is found in the western Pacific Ocean from southern Japan, the Ryukyu Islands, Izu Islands, Ogasawara Islands, the southwest of the Republic of Korea, Taiwan the southern coast of China to southern Vietnam.[1]

Habitat and biology

Chaetodon auripes occurs at depths of 1 to 30 metres (3.3 to 98.4 ft) and is found on rocky reefs where coral and algae are present. Juveniles are typically found in tidal pools and sheltered rocky areas in shallow water. They gather in aggregations although they are also often encountered as solitary individuals. This species lives in cooler waters than other butterflyfish and can tolerate temperatures down to 10 °C (50 °F) off Japan.[1] It is known to occur as deep as 150 metres (490 ft). It feeds on filamentous algae as well as worms, crustaceans, soft corals, stony corals, sea anemones, and some other benthic invertebrates.[3]

Systematics

Chaetodon auripes was first formally described in 1901 by the American ichthyologists David Starr Jordan and John Otterbein Snyder with the type locality given as Nagasaki.[4] This species belongs to the large subgenus Rabdophorus which might warrant recognition as a distinct genus. [5][6]

Utilisation

This species is rare in the aquarium trade.[1]

References
  1. Myers, R. & Pratchett, M. (2010). "Chaetodon auripes". IUCN Red List of Threatened Species. 2010: e.T165693A6093779. doi:10.2305/IUCN.UK.2010-4.RLTS.T165693A6093779.en. Retrieved 13 December 2020.
  2. Froese, Rainer and Pauly, Daniel, eds. (2019). "Chaetodon auripes" in FishBase. December 2019 version.
  3. "Chaetodon auripes". Saltcorner. Bob Goemans. 2012. Retrieved 19 December 2020.
  4. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Chaetodon". Catalog of Fishes. California Academy of Sciences. Retrieved 19 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. 14: 77–86. Archived 2007-08-11 at the Wayback Machine
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