Pomacanthus semicirculatus

Status_ne_offStatus_dd_offStatus_lc_onStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_offStatus_ew_offStatus_ex_off

Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII PERCIFORMES POMACANTHIDAE

Scientific Name: Pomacanthus semicirculatus
Species Authority: (Cuvier, 1831)
Common Name(s):
English Semicircle Angelfish, Half-circled Angelfish, Koran Angelfish
French Chirurgien tabac, Poisson ange bleu
Synonym(s):
Holacanthus alternans Cuvier, 1831
Holacanthus lepidolepis Bleeker, 1853
Holacanthus reginae Sauvage, 1891
Holacanthus semicirculatus Cuvier, 1831
Pomacanthops semicirculatus (Cuvier, 1831)

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-10-08
Assessor(s): Pyle, R., Myers, R., Rocha, L.A. & Craig, M.T.
Reviewer(s): Elfes, C., Polidoro, B., Livingstone, S. & Carpenter, K.E.
Justification:
It is listed as Least Concern, as this is a common species with a wide range and no apparent major threats.

Geographic Range [top]

Range Description:This species is widely distributed throughout the Indian Ocean and western Pacific Ocean. It ranges from coastal eastern Africa (including South Africa) in the west, through the Indian Ocean to Fiji, Tonga and Samoa in the Pacific Ocean. It has been recorded as far north as southern Japan, ranging as far south as the east coast of Australia and Lord Howe Island (Australia) (Steene 1978, Pyle 2001, G.R. Allen pers. comm. 2006). It is found at depths of 1-40 m.
Countries:
Native:
Australia; Bangladesh; Cambodia; China; Christmas Island; Cocos (Keeling) Islands; Comoros; Djibouti; Eritrea; Fiji; French Southern Territories (Mozambique Channel Is.); India (Andaman Is., Nicobar Is.); Indonesia; Japan; Jordan; Kenya; Madagascar; Malaysia; Maldives; Mauritius; Mayotte; Micronesia, Federated States of ; Mozambique; Myanmar; New Caledonia; Oman; Palau; Papua New Guinea; Philippines; Réunion; Samoa; Saudi Arabia; Seychelles; Singapore; Solomon Islands; Somalia; South Africa; Sri Lanka; Sudan; Taiwan, Province of China; Tanzania, United Republic of; Thailand; Tonga; Vanuatu; Viet Nam; Wallis and Futuna; Yemen
FAO Marine Fishing Areas:
Native:
Atlantic – southeast; Indian Ocean – eastern; Indian Ocean – western; Pacific – eastern central; Pacific – northwest; Pacific – southwest; Pacific – western central
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population: It is generally common with stable populations.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: Populations of this species are generally associated with protected coastal reefs with rich coral growth (Steene 1978, Pyle 2001, G.R. Allen pers. comm. 2006). The adults are sometimes seen in caves and on wrecks. Juveniles tend to prefer shallow reefs mixed with sandy substrates. Food items include sponges, tunicates and algae (Steene 1978, Pyle 2001, G.R. Allen pers. comm. 2006).
Systems: Marine

Use and Trade [top]

Use and Trade: This species is frequently exported through the aquarium trade (Pyle 2001).

Threats [top]

Major Threat(s):

There appear to be no major threats to this species. Collection for the aquarium trade is localized and does not seem to affect the global population.

Conservation Actions [top]

Conservation Actions: There are no species-specific conservation measures in place. Present within several marine protected areas throughout its range.

Bibliography [top]

Allen, G.R. and Adrim, M. 2003. Coral reef fishes of Indonesia. Zoological Studies 42(1): 1-72.

Allen, G.R. and Steene, R.C. 1988. Fishes of Christmas Island Indian Ocean. Christmas Island Natural History Association, Christmas Island, Australia.

Allen, G.R., Steene, R. and Allen, M. 1998. A guide to angelfishes and butterflyfishes. Odyssey Publishing/Tropical Reef Research.

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Johnson, J.W. 1999. Annotated checklist of the fishes of Moreton Bay, Queensland, Australia. Memoirs of the Queensland Museum 43(2), 709-762.

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Myers, R.F. 1999. Micronesian reef fishes: a comprehensive guide to the coral reef fishes of Micronesia. Coral Graphics, Barrigada, Guam.

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Pyle, R. 2001. Pomacanthidae: Angelfishes. In: K.E. Carpenter and V.H. Niem (eds), FAO species identification guide for fishery purposes. The living marine resources of the Western Central Pacific. Bony fishes part 3 (Menidae to Pomacentridae), pp. 3266-3286. FAO, Rome, Italy.

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Shao, K.T., Chen, J.P., Kao, P.H. and Wu, C.Y. 1993. Fish fauna and their geographical distribution along the western coast of Taiwan. Acata Zoologica Taiwanica 4(2): 113-140.

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Werner, T.B. and Allen, G.R. 1998. Reef fishes of Milne Bay Province, Papua New Guinea. In: T.B. Werner and G.R. Allen (eds), A Rapid Marine Biodiversity Assessment of Milne Bay Province, Papua New Guinea--Survey II (2000). Conservation International, Washington, USA.

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Citation: Pyle, R., Myers, R., Rocha, L.A. & Craig, M.T. 2010. Pomacanthus semicirculatus. In: The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 25 October 2014.
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