Clarias werneri 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Chordata Actinopterygii Siluriformes Clariidae

Scientific Name: Clarias werneri
Species Authority: Boulenger, 1906
Common Name(s):
English Werner's Catfish

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-05-01
Assessor(s): Getahun, A. & Hanssens, M.
Reviewer(s): Snoeks, J., Tweddle, D., Getahun, A., Lalèyè, P., Paugy, D., Zaiss, R., Fishar, M.R.A & Brooks, E.
This species has a wide enough distribution, with no known major widespread threats to qualify as Least Concern. It has also been assessed regionally as Least Concern for eastern Africa. Due to limited information on this species distribution, abundance and threats, it has been categorised as Data Deficient in northeast Africa.
Previously published Red List assessments:
2006 Least Concern (LC)

Geographic Range [top]

Range Description: This species is found from Sudan to Tanzania.

Eastern Africa: This species is known from Lakes Victoria, Kyoga, Edward and George. It is also present in Victoria Nile and their affluent streams and rivers such as Nabugabo, Kachera, Nakivali and Kijanebarola. Also in Malagarasi river (De Vos et al. 2001) and Rusizi River.

Northeast Africa: It is found in Bahr el Jebel, Sudan
Countries occurrence:
Burundi; Kenya; Sudan; Tanzania, United Republic of; Uganda
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Population not known, but rather rare in fisheries catches.
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species inhabits lakes and rivers (Teugels 1986), marginal swamps marginal grass areas and papyrus swamps (Eccles 1992). It is mainly insectivorous (larval and adult aquatic Coleptera, terrestrial insects, Povilla, chironomid larvae). Other food items included ostracoda, gastropods, plants, copepoda and Hydracarina (Teugels 1986).
Systems: Freshwater

Use and Trade [top]

Use and Trade: This species is harvested for human consumption.

Threats [top]

Major Threat(s): Loss of swamps and other wetlands around lakes and rivers due to farming extension is a threat to this species in eastern Africa. Further threats are unknown.

Conservation Actions [top]

Conservation Actions: No information available. Population trends need monitoring, and habitat maintenance and conservation my be required.

Citation: Getahun, A. & Hanssens, M. 2010. Clarias werneri. The IUCN Red List of Threatened Species 2010: e.T60778A12396404. . Downloaded on 25 November 2015.
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