Chaetodon mertensii

Threats

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	PERCIFORMES	CHAETODONTIDAE

Scientific Name:

Chaetodon mertensii

Species Authority:

Cuvier, 1831

Common Name/s:

English

–

Atoll Butterflyfish, Atoll Butterflyfish, Merten's Butterflyfish, Merten's Coralfish, Orangebar Butterflyfish

Synonym/s:

Chaetodon dixoni Regan, 1904

Chaetodon mertensi Cuvier, 1831

Red List Category & Criteria:	Least Concern ver 3.1
Year Published:	2010
Assessor/s:	Allen, G. & Myers, R.
Reviewer/s:	Elfes, C., Polidoro, B., Livingstone, S. & Carpenter, K.E.
Contributor/s:
Justification: This species is relatively widespread and generally common. There are no major threats to this species. It is listed as Least Concern.

Range Description:	This species occurs throughout western and southern Pacific from Vietnam and the Philippines to Easter Island, north to the Ryukyu and Ogasawara Islands (in Japan), and south to central New South Wales, Lord Howe Island and Rapa. It is absent from Indonesia apart from Halmahera to northern Papua. It has been recorded from 10-120 m.
Countries:	Native: American Samoa (American Samoa); Australia; Chile (Easter Is.); Cook Islands; Fiji; French Polynesia; Guam; Indonesia; Japan; Marshall Islands; Micronesia, Federated States of; New Caledonia; Niue; Norfolk Island; Northern Mariana Islands; Palau; Papua New Guinea; Philippines; Pitcairn; Samoa; Solomon Islands; Sri Lanka; Taiwan, Province of China; Tokelau; Tonga; United States Minor Outlying Islands (US Line Is.); Vanuatu; Viet Nam; Wallis and Futuna
FAO Marine Fishing Areas:	Native: Pacific – eastern central; Pacific – northwest; Pacific – southeast; Pacific – southwest; Pacific – western central
Range Map:	Click here to open the map viewer and explore range.

Population:	It is generally common. There is no data on population trends for this species, but no reason to suspect that it is declining (or increasing).
Population Trend:	Stable

Habitat and Ecology:	This species is associated with rocky or coral-covered reefs of lagoons and outer slopes. It is frequently seen adjacent to steep slopes and drop-offs (Steene 1978, G.R. Allen pers. comm. 2006). It is usually found as pairs or solitary animals (Steene 1978, Pyle 2001). It has an omnivorous diet (Pyle 2001).
Systems:	Marine

Major Threat(s):	There appear to be no major threats to this species. Collection is limited and not considered to be affecting the global population.

Major Threat(s):

There appear to be no major threats to this species. Collection is limited and not considered to be affecting the global population.

Conservation Actions:	There appear to be no species-specific conservation measures in place. It is likely that this species occurs within marine protected areas.

Conservation Actions:

There appear to be no species-specific conservation measures in place. It is likely that this species occurs within marine protected areas.

Citation:	Allen, G. & Myers, R. 2010. Chaetodon mertensii. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 24 May 2013.
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