Acanthurus nubilus

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Acanthurus nubilus
Acanthurus nubilus.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Acanthuriformes
Family: Acanthuridae
Genus: Acanthurus
Species:
A. nubilus
Binomial name
Acanthurus nubilus
(Fowler & B. A. Bean, 1929)
Synonyms [2]
  • Hepatus nubilus Fowler & Bean, 1929
  • Harpurina nubilus (Fowler & Bean, 1929)

Acanthurus nubilus, the bluelined surgeon, pin-striped surgeon, dark surgeonfish or dropoff surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, which includes the surgeonfishes, unicornfishes and tangs. This species is found in the Western Pacific Ocean.

Contents

Taxonomy

Acanthurus nubilus was first formally described as Hepatus nubilus in 1929 by the American ichthyologists Henry Weed Fowler and Barton Appler Bean with its type locality given as Dodepo Island on the Gulf of Tomini off Sulawesi. [3] The genus Acanthurus is one of two genera in the tribe Acanthurini which is one of three tribes in the subfamily Acanthurinae which is one of two subfamilies in the family Acanthuridae. [4]

Etymology

Acanthurus nubilus has the specific name nubilus, which means "cloudy", and is a reference to the overall dull dark colour of this fish with dusky median and pelvic fins. [5]

Description

Acanthurus nubilus has its dorsal fin supported by 6 or 7 spines and between 25 and 27 soft rays while ythe anal fin is supported by 3 spines and 23 or 24 soft rays. The head and front part of the body are bluish-grey with many dense brown or brownish-yellow spots, which change into horizontal lines towards the rear of the body. This species has a maximum published total length of 26 cm (10 in). [2]

Distribution and habitat

Acanthurus nubilus is found in the western Pacific Ocean where it has been recorded from Indonesia, the Society Islands and the New Caledonia and has been reported from the Austral Islands, Pitcairn Islands, the Philippines and the Marianas. It is found at depths between 25 and 90 m (82 and 295 ft) on steep drop offs exposed to strong currents where it feeds on plankton. [1]

Related Research Articles

<i>Acanthurus</i> Genus of fishes

Acanthurus is a genus of marine ray-finned fish belonging to the family Acanthuridae, which includes the surgeionfishes, unicornfishes and tangs, found in the Atlantic, Indian and Pacific Ocean. They are found in tropical oceans, especially near coral reefs, with most species in the Indo-Pacific but a few are found in the Atlantic Ocean. As other members of the family, they have a pair of spines, one on either side of the base of the tail which are dangerously sharp.

<i>Acanthurus achilles</i> Species of fish

Acanthurus achilles, the Achilles tang, redtail surgeonfish or redspot surgeonfish, is a marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This fish is found in the Pacific Ocean.

<i>Acanthurus leucosternon</i> Species of fish

Acanthurus leucosternon the blue surgeonfish, powder blue tang and powder-blue surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indian Ocean.

<i>Acanthurus mata</i> Species of fish

Acanthurus mata, the pale surgeonfish, blue-lined surgeonfish, mata surgeonfish, striped surgeonfish, tailring surgeon, white-tail lancet or yellowmask surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific region.

<i>Acanthurus nigroris</i> Species of fish

Acanthurus nigroris, the bluelined surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, which includes the surgeonfishes, unicornfishes and tangs. This species and A. nigros have been regarded as synonymous with the combined taxon having a wide Indo-Pacific distribution, if treated as a separate valid species it is confined to the United States Pacific islands.

<i>Acanthurus pyroferus</i> Species of fish

Acanthurus pyroferus, chocolate surgeonfish, mimic surgeonfish, orange-gilled surgeonfish, Pacific mimic surgeon, and yellowspot surgeon, is a species of marine ray-finned fish belonging to the family Acanthuridae, which includes the sugeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific region.

<i>Acanthurus lineatus</i> Species of fish

Acanthurus lineatus, the lined surgeonfish, blue banded surgeonfish, blue-lined surgeonfish, clown surgeonfish, pyjama tang, striped surgeonfish, and zebra surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific region.

<i>Acanthurus nigricans</i> Species of fish

Acanthurus nigricans, the goldrim surgeonfish, velvet surgeon, whitecheek surgeonfish, yellow-banded surgeonfish or yellowrimmed surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found from the central Indo-Pacific area to the eastern Pacific coast, Hawaii included.

<i>Acanthurus maculiceps</i> Species of fish

Acanthurus maculiceps, the white-freckled surgeonfish, yellow-freckled surgeonfish, pale-lined surgeonfish,spotted-faced surgeonfish or earbar surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-West Pacific region.

<i>Acanthurus nigrofuscus</i> Species of fish

Acanthurus nigrofuscus, the brown surgeonfish, blackspot surgeonfish, brown tang, dusky surgeon, lavender tang or spot-cheeked surgeonfish, is a species of marine ray-finned fish belonging to the familyAcanthuridae, which includes the surgeonfishes, unicornishes and tangs. This species is a common and abundant fish occurring across a wide Indo-Pacific range.

<i>Acanthurus albipectoralis</i> Species of fish

Acanthurus albipectoralis, the whitefin surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Western Pacific Ocean.

<i>Acanthurus blochii</i> Species of fish

Acanthurus blochii, the ringtail surgeonfish or dark surgeonfish, is a marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This fish is found in the Indo-Pacific.

<i>Acanthurus nigricauda</i> Species of fish

Acanthurus nigricauda, the epaulette surgeonfish, black-barred surgeonfish, eye-line surgeonfish, shoulderbar surgeonfish, white-tail surgeonfish or blackstreak surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. It is native to the Indo-Pacific region.

<i>Acanthurus auranticavus</i> Species of fish

Acanthurus auranticavus, the ringtail surgeonfish or orange-socket surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-West Pacific.

<i>Acanthurus bariene</i> Species of fish

Acanthurus bariene, the bariene surgeonfish, black-spot surgeonfish, or eye-spot surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Indo-Pacific.

<i>Acanthurus fowleri</i> Species of fish

Acanthurus fowleri, Fowler's surgeonfish or the horseshoe surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes or tangs. This fish is found in the Western Pacific Ocean.

<i>Acanthurus leucocheilus</i> Species of fish

Acanthurus leucocheilus, the palelipped surgeonfish or the white-spine surgeonfish is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes or tangs. This fish is found in the Indo-Pacific region.

<i>Acanthurus leucopareius</i> Species of fish

Acanthurus leucopareius, the whitebar surgeonfish or headband surgeonfish, is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. This species is found in the Pacific Ocean.

The whitechin surgeonfish is a species of marine ray-finned fish belonging to the family Acanthuridae, the surgeonfishes, unicornfishes and tangs. It is endemic to the waters of the western Pacific Ocean in the Philippines.

The grey-head surgeonfish is a species of marine ray-finned fish belonging to the family Acanthuridae which includes the surgeonfishes. unicornfishes and tangs. This species has a wide Indo-Pacific distribution.

References

  1. 1 2 Russell, B.; Choat, J.H.; Myers, R.; et al. (2012). "Acanthurus nubilus". IUCN Red List of Threatened Species . 2012: e.T177961A1503615. doi: 10.2305/IUCN.UK.2012.RLTS.T177961A1503615.en . Retrieved 20 November 2021.
  2. 1 2 Froese, Rainer; Pauly, Daniel (eds.) (2023). "Acanthurus nubilus" in FishBase. June 2023 version.
  3. ↑ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Acanthurus". Catalog of Fishes . California Academy of Sciences . Retrieved 26 September 2023.
  4. ↑ J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 497–502. ISBN   978-1-118-34233-6.
  5. ↑ Christopher Scharpf & Kenneth J. Lazara, eds. (12 January 2021). "Order ACANTHURIFORMES (part 2): Families EPHIPPIDAE, LEIOGNATHIDAE, SCATOPHAGIDAE, ANTIGONIIDAE, SIGANIDAE, CAPROIDAE, LUVARIDAE, ZANCLIDAE and ACANTHURIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 26 September 2023.
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