Rheocles wrightae

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII ATHERINIFORMES BEDOTIIDAE

Scientific Name: Rheocles wrightae
Species Authority: Stiassny, 1990
Common Name/s:
English Zona

Assessment Information [top]

Red List Category & Criteria: Endangered   B1ab(i,iii)   ver 3.1
Year Assessed: 2004
Assessor/s: Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop, Mantasoa, Madagascar 2001
Reviewer/s: Stiassny, M.L.J., Sparks, J.S. (AMNH, New York) & Darwall, W (Freshwater Biodiversity Assessment Programme)
Justification:
Rheocles wrightae was previously assessed as Critically Endangered. Improved information since then has resulte in the species being downgraded to Endangered.

This species has been collected from two tributaries of the Mangoro River, Madagascar. With a restricted range (EOO < 5,000 km²), fragmentation and continued decline of habitat extent/quality through the impacts of deforestation, and threats from introduced exotic species, this species is assessed as Endangered.
History:
1996 Critically Endangered
1994 Endangered (Groombridge 1994)

Geographic Range [top]

Range Description: Recorded from the Manambola River system in Madagascar.
Countries:
Native:
Madagascar

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Systems: Freshwater
Citation: Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop 2004. Rheocles wrightae. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 10 February 2012.
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