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Spotband butterflyfish
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Acanthuriformes
Family:	Chaetodontidae
Genus:	Chaetodon
Subgenus:	Chaetodon (Exornator)
Species:	C. punctatofasciatus
Binomial name
Chaetodon punctatofasciatus G. Cuvier, 1831
Synonyms
Chaetodon punctatolineatus Gronow, 1854

The spot-banded butterflyfish or spotband butterflyfish (Chaetodon punctatofasciatus) is a species of marine ray-finned fish, a butterflyfish belonging to the family Chaetodontidae. It is from the western Pacific Ocean.

It is found in the Indo- West Pacific region from Christmas Island in the eastern Indian Ocean to the Line Islands, north to the Ryukyu Islands, south to the Rowley Shoals and the northern Great Barrier Reef, and throughout Micronesia. Replaced by its close relative the Peppered butterflyfish (C. guttatissimus) in the Indian Ocean, these two species are sympatric from Christmas Island to Bali.

This is one of the members of the subgenus Exornator. With the Peppered butterflyfish it is part of a close-knit group which also includes the Pebbled butterflyfish (C. multicinctus) and the Sunset butterflyfish (C. pelewensis). It is suspected that these four are able to produce fertile hybrids. If the genus Chaetodon is split up, Exornator might become a subgenus of Lepidochaetodon. C. punctatofasciatus is the type species of the subgenus Exornator and was first formally described in 1831 by the French anatomist Georges Cuvier (1769–1832).

The spot-banded butterflyfish grows to a maximum of 12 cm long. Its body is pale grey with close-set grey spots which are aligned in vertical bands, interspersed with yellow, on the upper sides and form horizontal rows on the lower sides. The dorsal fin has a yellow margin and there is a bright orange patch running through the caudal peduncle.

It is found in coral-rich areas and clear waters of seaward and lagoon reefs. This fish feeds on filamentous algae and coral polyps and other benthic invertebrates.

References

1. Pyle, R.; Myers, R.F.; Craig, M.T.; Pratchett, M. (2010). "Chaetodon punctatofasciatus". IUCN Red List of Threatened Species. 2010: e.T165632A6074436. doi:10.2305/IUCN.UK.2010-4.RLTS.T165632A6074436.en. Retrieved 19 November 2021.
2. ^ Froese, Rainer; Pauly, Daniel (eds.). "Chaetodon punctatofasciatus". FishBase. December 2019 version.
3. 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. Bibcode:2007MolPE..45...50F. doi:10.1016/j.ympev.2007.05.018. PMID 17625921.
4. 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 from the original (PDF) on 2007-08-11. Retrieved 2008-09-01.
5. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Chaetodontidae". Catalog of Fishes. California Academy of Sciences. Retrieved 29 November 2020.
6. Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Chaetodon punctatofasciatus". Catalog of Fishes. California Academy of Sciences. Retrieved 29 November 2020.

External links

• Photos of Spotband butterflyfish on Sealife Collection

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• IUCN Red List least concern species
• Chaetodon
• Fish of Palau
• Fish described in 1831
• Taxa named by Georges Cuvier
• Chaetodontidae stubs