Haplochromis nubilus

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	PERCIFORMES	CICHLIDAE

Scientific Name:	Haplochromis nubilus
Species Authority:	(Boulenger, 1906)
Synonym/s:	Tilapia nubila Boulenger, 1906

Assessment Information [top]

Red List Category & Criteria:	Vulnerable   D2   ver 3.1
Year Published:	2010
Assessor/s:	Witte, F., de Zeeuw, M.P. & Brooks, E.
Reviewer/s:	Darwall, W. & Smith, K.
Justification: The current population of this species is not known but it does still occur in Lake Victoria. There are some unclear specimens that may represent possible hybrids of this species. The biggest threat to this species is increased hybridisation as a result of decreased water transparency. It is not known to what extent this is affecting different areas of the lake, but its current distribution is likely restricted to only a few locations, and it is therefore assessed as Vulnerable.
History:	2006 – Data Deficient (IUCN 2006)

Geographic Range [top]

Range Description:	This species is endemic to Lake Victoria. It has been recorded in surveys carried out in Kenya.
Countries:	Native: Kenya
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	No data available.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	The species has been found over sand and mud in the littoral zone. It is classified as an insectivore.
Systems:	Freshwater

Threats [top]

Major Threat(s):

The main threat to this species is hybridization due to decreased water transparency (on account of eutrophication and erosion leading to increased sedimentation and runoff) interfering with mate recognition visual cues (Mrosso et al. 2003).

Conservation Actions [top]

Conservation Actions:

None known, but more information is needed on the range, biology and threats to this species, and the population trend should continue to be monitored.

Bibliography [top]

IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010).