| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| ANIMALIA | CHORDATA | ACTINOPTERYGII | PERCIFORMES | CICHLIDAE |
| Scientific Name: | Oreochromis rukwaensis | |||
| Species Authority: | (Hildengorf & Pappenheim 1913) | |||
Common Name/s:
|
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| Red List Category & Criteria: | Vulnerable D2 ver 3.1 |
| Year Assessed: | 2006 |
| Assessor/s | Bayona, J.D.R. & Hanssens, M. |
| Evaluator/s: | Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme) |
|
Justification: Restricted to the Lake Rukwa drainage. |
|
| Range Description: | Endemic to the Lake Rukwa catchment |
| Countries: |
Native:
Tanzania, United Republic of
|
| Population: | The species is commercially exploited and composed 34.17% of the total annual catch in 1977 (Bernascek 1980) rising to 70% in 1996 (Fish. Div. 1996). Catch per vessel as a measure of relative abundance declined slightly: 3.7 tons per vessel was landed in 1997 compared to 3.2 tons per vessel in 1996. The decline is only 13.5%. |
| Population Trend: |
Decreasing
|
| Habitat and Ecology: | Found in both lakes and rivers. |
| Systems: | Freshwater |
| Major Threat(s): | Over-fishing: exploitation by small meshed nets (illegal fishing gears). Siltation and land based pollution. |
| Conservation Actions: | No information available. |
| Citation: | Bayona, J.D.R. & Hanssens, M. 2006. Oreochromis rukwaensis. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010. |
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