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Synodontis afrofischeri

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA ACTINOPTERYGII SILURIFORMES MOCHOKIDAE

Scientific Name: Synodontis afrofischeri
Species Authority: Hilgendorf, 1888
Common Name/s:
English Fischer's Victoria Squeaker

Assessment Information [top]

Red List Category & Criteria: Least Concern     ver 3.1
Year Assessed: 2006
Assessor/s: Hanssens, M.
Reviewer/s: Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Justification:
This species large extent of occurrence compensate for the high level of threats to the Lake Victoria sub-population.

Geographic Range [top]

Range Description: Lakes Victoria, Nabubabo, and Kyoga, the Victoria Nile and affluent rivers. Rivers Akagera, Pangani and associated small lakes; Lakes Karumi, Nyumba ya Mungu and the Malagarasi River (De Vos et al. 2001). Dubious records of Synodontis afrofischeri from the Tana and Athi Rivers are thought to be based on misidentifications of S. serpentis.
Countries:
Native:
Burundi; Kenya; Tanzania, United Republic of; Uganda
Range Map:
(click map to view full version)
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Population [top]

Population: Not known, but the sub-population in Lake Victoria has shown a 67% decline in population due to shrinkage in extent of occurrence between 1969 and 1999.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: A benthic dweller in lakes and major rivers in and marginal vegetation down to70m but most common at depths of less than 30 m (Witte and de Winter 1995). Feeds on insects and molluscs, (Witte and de Winter 1995). At any one time an estimated 65 % of the stock is ready to spawn (Witte and de Winter 1995). Max. size: 177 mm TL (Gosse in Daget et al. 1986).
Systems: Freshwater

Threats [top]

Major Threat(s): Illegal undersize nets for fishing. Land-based pollution and siltation.

Conservation Actions [top]

Conservation Actions: No information available.

Bibliography [top]

IUCN. 2006. 2006 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 04 May 2006.

Witte, F. and de Winter, W. 1995. Appendix II. Biology of the major fish species of Lake Victoria. In: F. Witte & L.T. van Densen (eds). Fish Stocks and Fisheries of Lake Victoria. pp. 301–320. Samara Publishing Limited, Dyfed.

Citation: Hanssens, M. 2006. Synodontis afrofischeri. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 09 February 2012.
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