Irvineia voltae Trewavas, 1943




Taxonomy & Nomenclature



Conservation Status


Last record: before 1943

IUCN RedList status: Endangered


Known only from the (3) syntypes collected at an unspecified date sometime prior to 1943, from above the Senchi Rapids, Volta river, Ghana. Searches were mounted between 1961 and 1988 to relocate this species, but were unsuccessful (Harrison & Stiassny, 1999). It is probably extinct.



Volta river, Ghana


Biology & Ecology




Syntypes: BMNH 1944.2.9.19; BMNH 1944.2.9.20; BMNH 1944.2.9.21






Original scientific description:

Trewavas, E. (1943). New schilbeid fishes from the Gold Coast, with a synopsis of the African genera. Proceedings of the Zoological Society of London Series volume B113 (pt 3): 164-171.


Other references:

De Vos, L. (1995). A systematic revision of the African Schilbeidae (Teleostei, Siluriformes) Ann. Mus. R. Afr, Cent. Sci. Zool. 271: 1-449.

Entsua-Mensah, M. & Lalèyè, P. (2006). Irvineia voltae. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 21 June 2011.

Froese, Rainer, and Daniel Pauly, eds. (2008). "Irvineia voltae" in FishBase. Apr. 2011 version. (

Harrison, I.J. and Stiassny. M.L.J. 1999. The quiet crisis: a preliminary listing of the freshwater fishes of the World that are extinct or “missing in action”. In: R. MacPhee (ed.), Extinctions in Near Time: Causes, Contexts, and Consequences, pp.271–332. Kluwer Academic/Plenum Publishers, New York.


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