Oreochromis karomo


Taxonomy [top]

Kingdom Phylum Class Order Family

Scientific Name: Oreochromis karomo
Species Authority: (Poll, 1948)
Common Name(s):
English Karomo

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2006
Date Assessed: 2006-01-31
Assessor(s): Ntakimazi, G.
Reviewer(s): Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Endemic to the lower Malagarasi (considered as one location) with an estimated extent of occurrence less than 100 km² and area of occupancy less than 10 km²). It is threatened by continued fisheries pressure and decline in habitat quality due to farming extension on the wetlands around the main river and delta.

Geographic Range [top]

Range Description: Endemic to the lower Malagarasi River and its delta.
Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No information available.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Found in shallow standing or slow-flowing waters, mainly in marginal vegetation and swamps around the main river, lagoons, ponds and its delta. Mostly planktivorous.
Systems: Freshwater

Threats [top]

Major Threat(s): Over-fishing and agriculture extension into the wetlands around the main river and the delta. Common in fisheries catches - this species is of economic importance.

Conservation Actions [top]

Conservation Actions: No information available.

Citation: Ntakimazi, G. 2006. Oreochromis karomo. The IUCN Red List of Threatened Species. Version 2014.3. <>. Downloaded on 27 March 2015.
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