Threadfin butterflyfish

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Threadfin butterflyfish
Bep chaetodon auriga pemba.jpg
C. a. setifer (Pemba, Tanzania)
Bep chaetodon auriga sharm.jpg
C. a. auriga (Sharm el-Sheikh, Red Sea)
Scientific classification
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C. auriga
Binomial name
Chaetodon auriga
Forsskål, 1775

The threadfin butterflyfish (Chaetodon auriga) is a species of butterflyfish (family Chaetodontidae).

Contents

Distribution

Chaetodon auriga is found in the Indo-Pacific region, from the Red Sea and eastern Africa (south to Mossel Bay, South Africa) to the Hawaiian, Marquesas and Ducie islands, north to southern Japan, south to Lord Howe Island and Rapa Iti, at depths of 1–35 metres (3–115 ft). [2]

Description

Chaetodon auriga is up to 23 centimetres (9 in) long. Its body is white with `chevron' markings on the side. Tear edge of the dorsal fin has a prominent black spot, and a prominent black vertical band runs through the eye. The rear of soft-dorsal fin has a trailing filament, and it has a belly patch of descending oblique dark lines as well as bright yellow fins. [3] Two subspecies are sometimes recognised: Chaetodon auriga auriga occurs in the Red Sea population and lacks the dorsal eyespot; Chaetodon auriga setifer is the spotted population occurring outside the Red Sea. [2]

Taxonomy

It belongs to the large subgenus Rabdophorus which might warrant recognition as a distinct genus. Within this group, it is almost certainly a rather close relative of the vagabond butterflyfish (C. vagabundus) and the Indian vagabond butterflyfish (C. decussatus). The C. auriga species group shares the characteristic pattern of two areas of ascending and descending oblique lines; species differ conspicuously in hindpart coloration. [4] [5]

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Vagabond butterflyfish species of fish

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Oval butterflyfish species of fish

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Indian vagabond butterflyfish species of fish

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Saddle butterflyfish species of fish

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Dotted butterflyfish species of fish

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Mirror butterflyfish species of fish

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Eightband butterflyfish Chaetodon octofasciatus

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Philippine butterflyfish species of fish

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Seychelles butterflyfish species of fish

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<i>Chaetodon falcula</i> species of fish

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<i>Chaetodon larvatus</i> species of fish

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References

  1. R. Myers & M. Pratchett (2010). "Chaetodon auriga". IUCN Red List of Threatened Species . IUCN. 2010: e.T165631A6073721. doi: 10.2305/IUCN.UK.2010-4.RLTS.T165631A6073721.en .
  2. 1 2 G. R. Allen. Rainer Froese; D. Pauly (eds.). "Chaetodon auriga". FishBase . Retrieved October 27, 2012.
  3. Dianne J. Bray, 2011, Threadfin Butterflyfish, Chaetodon auriga, in Fishes of Australia, accessed 07 Oct 2014, http://www.fishesofaustralia.net.au/home/species/2375
  4. Jennifer L. Fessler & Mark W. Westneat (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. PMID   17625921.
  5. Kui-Ching Hsu; Jeng-Ping Chen & Kwang-Tsao Shao (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 . Suppl. 14: 77–86.