The IUCN Red List of Threatened Species

Barbus paludinosus

 – Least Concern

Taxonomy

Kingdom: ANIMALIA
Phylum: CHORDATA
Class: ACTINOPTERYGII
Order: CYPRINIFORMES
Family: CYPRINIDAE
Scientific Name: Barbus paludinosus
Species Authority: Peters, 1852
Common Name/s:
EnglishSTRAIGHTFIN BARB
Taxonomic Notes: The genus Barbus (Cyprinidae) is restricted to a small number of species mainly inhabiting the European ichthyographic region including Northeast Africa. Most of the African species that are currently included in the genus, taxonomically do not appear to be closely related to the genus Barbus sensu strictu. However, no attempts have yet been made at an adequate nomenclature of the African forms. We therefore follow Berrebi et al. (1996) and use in this paper the term ‘Barbus’ for the cyprinid fish species which were previously considered as Barbus (Seegers et al., unpublished).Also reported under the names Barbus taitensis Günther, 1894, B. amphigramma Boulenger, 1903, B. macropristis Boulenger, 1904, B. thikensis Boulenger, 1905 and B. helleri Hubbs, 1918. All are junior synonyms (Seegers et al., unpublished).

Assessment Information

Red List Category & Criteria: LC    ver 3.1 (2001)
Year Assessed: 2006
Assessor/s: Ntakimazi, G., Twongo, T.K. & Kazambe, J.
Evaluator/s: Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Justification: Very large distribution range. No major widespread threats identified.

Geographic Range

Range Description: Lake Victoria basin, Athi and Tana River systems, northern and southern Ewaso Nyiro basins, Upper Pangani system, Amboseli swamps, Lake Naivasha and affluents (Seegers et al., unpublished). Also reported from the affluent streams and rivers to lake Tanganyika, including the Malagarasi River, and the Middle Akagera system. Widespread in Lake Malawi and its affluents, the Shire River and Lakes Chiuta and Chilwa.
Range Map:
(click for detailed map)
Countries: Native:

Burundi; Kenya; Malawi; Tanzania, United Republic of; Uganda

Population

Population: No information available.
Population Trend: Unknown

Habitat and Ecology

Habitat and Ecology: A hardy species, preferring quiet, well-vegetated waters in lakes, and marshes or marginal areas of larger rivers and slow-flowing streams. Feeds on a wide variety of small organisms including insects, small snails and crustaceans, algae, diatoms, and detritus. Preyed upon by the sharptooth catfish, tigerfish, largemouth breams (Serranochromis species) and birds. Spawns amongst vegetation during summer (Skelton 1993) (after Froese and Pauly 2003). Spawning takes place up the influent rivers during the rainy season (January–February). Migration appears to correspond to periods of heavy rainfall or flushing. Fecundity ranges from 250–800 eggs per female of 50–60 mm SL up to 2,500 eggs per female of 112 mm SL. Max. size: 12 cm in length.
System: Freshwater
List of Habitats:
5.1Wetlands (inland) - Permanent Rivers/Streams/Creeks (includes waterfalls)
5.5Wetlands (inland) - Permanent Freshwater Lakes (over 8ha)
5.7Wetlands (inland) - Permanent Freshwater Marshes/Pools (under 8ha)
5.13Wetlands (inland) - Permanent Inland Deltas

Threats

Threats: Fishing across rivers and in lakes using under-sized nets and illegal fishing methods; siltation of the spawning substrate; and pollution.
List of Threats:
1Habitat Loss/Degradation (human induced) (ongoing)
3.1.1Harvesting (hunting/gathering) - Food - Subsistence use/local trade (ongoing)
6.3.7Pollution (affecting habitat and/or species) - Water pollution - Sediment (ongoing)

Conservation Actions

Conservation Actions: Unknown.
List of Conservation Actions:
3.9Research actions - Trends/Monitoring (needed)

Bibliography

Bibliography:

Corbet P.S. 1961. The food of non-cichlid fishes in the Lake Victoria basin, with remarks on their evolution and adaptation to lacustrine conditions. Proceedings of the Zoological Society of London 136: 1–101

De Vos, L., Snoeks, J. and Thys van den Audenaerde, D.F.E. 2001. An annotated checklist of the fishes of Rwanda (East central Africa), with historical data on introductions of commercially important species. Journal of East African Natural History 90: 1–68

De Vos, L., Taverne, L. and Thys van den Audenaerde, D.F.E. 2001. L’Ichtyofaune du bassin de la Malagarasi (système du lac Tanganyika): une synthèse de la connaissance actuelle. Ann. Mus. R. Afr. Centr., Sc. Zool. 285: 117–152

Eccles, D.H. 1992. FAO species identification sheets for fishery purposes. Field guide to the freshwater fishes of Tanzania. FAO, Rome.

Eschmeyer, W.N. 1999. Catalog of Fishes. Updated database version of November 1999. Catalogue as made available to FishBase in November 1999.

Froese, R. and Pauly, D. (eds). 2003. FishBase. World Wide Web electronic publication. Search

Citation: Ntakimazi, G., Twongo, T.K. & Kazambe, J. 2006. Barbus paludinosus. In: IUCN 2007. 2007 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 06 September 2008.
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