Barbus oxyrhynchus

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	CYPRINIFORMES	CYPRINIDAE

Scientific Name:

Barbus oxyrhynchus

Species Authority

Pfeffer, 1889

Common Name/s:

English

–

Pangani Barb

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Assessed:	2006
Assessor/s	Vreven, E.
Evaluator/s:	Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Justification: A common species (see Copley 1952). Occurs in several major river basins in Kenya and Tanzania. No major widespread threats identified

Geographic Range [top]

Range Description:	Upper Pangani drainage, Athi and Tana River systems (Upper and middle courses) and the northern Ewaso Nyiro (Seegers et al. unpub.). A record by Copley (1941) of B. gregorii (non Boulenger) from the Tana River is a misidentification for 'B.' oxyrhynchus (Seegers et al. unpub.).
Countries:	Native: Kenya; Tanzania, United Republic of

Population [top]

Population:	The most abundant species of large Barbus within both rivers (Copley 1952).
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Can be found in any part of the river, but moves upstream in April to the fast-running waters to spawn. The eggs are large and are deposited in and about stony gravel where they lodge in the crevices between the stones. After spawning the fish keep in the fast water to clean themselves and then moving downstream spread all over the river (Copley 1958). The limit of upward movement in the river is 5,000 feet where the cooler water temperature acts as a deterrent (Copley 1958). It is found in shoals in the big pools and runs (Copley 1952). It is onmivorous. Max. size: 40.0 cm SL (after Froese and Pauly 2003).
Systems:	Freshwater

Habitat and Ecology:

Can be found in any part of the river, but moves upstream in April to the fast-running waters to spawn. The eggs are large and are deposited in and about stony gravel where they lodge in the crevices between the stones. After spawning the fish keep in the fast water to clean themselves and then moving downstream spread all over the river (Copley 1958). The limit of upward movement in the river is 5,000 feet where the cooler water temperature acts as a deterrent (Copley 1958). It is found in shoals in the big pools and runs (Copley 1952). It is onmivorous. Max. size: 40.0 cm SL (after Froese and Pauly 2003).

Systems:

Freshwater

Threats [top]

Major Threat(s):	Commercial fisheries (after Froese and Pauly 2003).

Major Threat(s):

Commercial fisheries (after Froese and Pauly 2003).

Conservation Actions [top]

Conservation Actions:	Unknown.

Conservation Actions:

Unknown.

Citation:	Vreven, E. 2006. Barbus oxyrhynchus. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 22 November 2008.
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