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Cybium,
International Journal of Ichthyology |
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Rheocles vatosoa, a new species of freshwater rainbowfish (Atherinomorpha: Bedotiidae) from the Lokoho River basin in Northeastern Madagascar Melanie L.J. STIASSNY (1), Damaris M. RODRIGUEZ (1) & Paul V. LOISELLE (2) (1) Ichthyology
Department, American Museum of Natural History, 79th Street at Central
Park West, New York, NY 10024, USA. Abstract.
- Rheocles vatosoa, sp. nov., an endemic Madagascan rainbowfish,
is described from the Lokoho River basin in the region of Andapa in Northeastern
Madagascar. Rheocles vatosoa has the northernmost distribution
of the genus recorded to date. The species differs from congeners in the
possession of a single (versus three) interdorsal pterygiophore
and is additionally readily distinguished from the other two northern
species; R. pellegrini, from a locality one day west
of Andapa, and R. derhami from the Ambomboa River (Sofia
drainage), by the possession of a fully scaled dorsum, nape, and venter.
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