Pachypanchax arnoulti 

Scope: Global

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Cyprinodontiformes Aplocheilidae

Scientific Name: Pachypanchax arnoulti
Species Authority: Loiselle, 2006
Pachypanchax sp. nov. 'Betsiboka'
Taxonomic Source(s): Eschmeyer, W.N., Fricke, R. and Van der Laan, R. (eds). 2016. Catalog of Fishes: genera, species, references. Updated 2 May 2016. Available at: (Accessed: 2 May 2016).
Taxonomic Notes: This species appeared on the IUCN Red List as Pachypanchax sp. nov. 'Betsiboka' until 2016. This species was formally described as Pachypanchax arnoulti in Loiselle (2006). An updated Red List assessment has been created to reflect this change.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(ii,iii) ver 3.1
Year Published: 2016
Date Assessed: 2004-05-01
Needs updating
Assessor(s): Loiselle, P.V. & Participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop, Mantasoa, Madagascar 2001
Reviewer(s): Stiassny, M., Sparks, J.S. & Darwall, W.R.T.
This species is recorded from rivers on the western slopes of Madagascar from the Betsiboka-Kamoro basin to the Tsiribihina and including Lac Kinkonyi. The Kamoro and Mahavavy du Sud subpopulations are robust and effectively not impacted by either habitat degradation or exotic competitors and/or predators. However, the Betsiboka/Ikopa subpopulations are impacted by loss of habitat and decline in habitat quality due to deforestation. With an extent of occurrence of less than 20,000 km2, fewer than 10 known locations, and ongoing habitat degradation. This species is assessed as Vulnerable.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Endemic to Madagascar.
Countries occurrence:
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Citation: Loiselle, P.V. & Participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop, Mantasoa, Madagascar 2001. 2016. Pachypanchax arnoulti. The IUCN Red List of Threatened Species 2016: e.T44484A96302949. . Downloaded on 27 October 2016.
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