|Scientific Name:||Chaetodon assarius|
|Species Authority:||Waite, 1905|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Pyle, R. & Myers, R.|
|Reviewer(s):||Elfes, C., Polidoro, B., Livingstone, S. & Carpenter, K.E.|
Listed as Least Concern in view of its presence in marine protected areas, presumed large population and no apparent major threats.
|Range Description:||This species is distributed in the eastern Indian Ocean, mostly in the subtropical and temperate waters of Western Australia, from Montebelo Islands to Recherche Archipelago (Steene 1978). It has been recorded at depths of 1-40 m. Records from Bali, Indonesia, are probably misidentifications of C. guentheri (Allen et al. 1998).|
|FAO Marine Fishing Areas:||
Indian Ocean – eastern
|Lower depth limit (metres):||40|
|Upper depth limit (metres):||1|
|Range Map:||Click here to open the map viewer and explore range.|
It is generally common with stable populations (G.R. Allen pers. comm. 2006).
|Current Population Trend:||Stable|
|Habitat and Ecology:||Populations are associated with coral and rocky reefs. This species forms aggregations that feed on algae and zooplankton (Steene 1978).|
|Use and Trade:||It is not known in the international pet trade.|
There appear to be no major threats to this species.
There appear to be no species specific conservation measures in place. This species is believed to be present within a number of marine protected areas.
Allen, G.R. and Swainston, R. 1988. The Marine Fishes of North-western Australia: A Field Guide for Anglers and Divers. Western Australia Museum, Perth (Australia).
Burgess, W.E. 1978. Butterflyfishes of the world. A monograph of the Family Chaetodontidae. T.F.H. Publications, Neptune City, New Jersey.
Hoese, D.F., Bray, D.J., Paxton, J.R. and Allen, G.R. 2006. Fishes. In: P.L. Beesley and A. Wells (eds), Zoological Catalogue of Australia, pp. 2178. Australian Biological Resources Study and Australia's Commonwealth Scientific and Industrial Research Organisation (CSIRO), Australia.
IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.4). Available at: http://www.iucnredlist.org. (Accessed: 27 October 2010).
Lieske, E. and Myers, R. 1994. Collins Pocket Guide. Coral reef fishes. Indo-Pacific and Caribbean including the Red Sea. Harper Collins Publishers.
Sainsbury, K.J., Kailola, P.J. and Leyland, G.G. 1985. Continental shelf fishes of northern and north-western Australia. An illustrated Guide. CSIRO Division of Fisheries Research, Canberra, Australia.
Steene, R.C. 1978. Butterfly and angelfishes of the world. A.H. and A.W. Reed Pty Ltd., Australia.
|Citation:||Pyle, R. & Myers, R. 2010. Chaetodon assarius. The IUCN Red List of Threatened Species 2010: e.T165710A6097937. http://dx.doi.org/10.2305/IUCN.UK.2010-4.RLTS.T165710A6097937.en . Downloaded on 08 October 2015.|
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