Serranochromis thumbergi

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
ANIMALIA	CHORDATA	ACTINOPTERYGII	PERCIFORMES	CICHLIDAE

Scientific Name:

Serranochromis thumbergi

Species Authority:

(Castelnau, 1861)

Common Name/s:

English

–

Brownspot Largemouth

Synonym/s:

Chromys thumbergi Castelnaui, 1861

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Assessed:	2007
Assessor/s	Marshall, B.E. & Tweddle, D.
Evaluator/s:	Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Unit)
Justification: Widespread although patchily distributed, with no immediate threats.

Geographic Range [top]

Range Description:	Okavango, upper Zambezi, Kafue, Cunene and Zambian Congo systems (Skelton 2001). In the Upper Zambezi, it occurs only in the lower reaches below Sioma Falls down to Victoria Falls and is apparently absent from the extensive Barotse floodplains (Winemiller 1991, Tweddle et al. 2004), although Winemiller assigned two juveniles from the Kabompo River to this species. It was introduced into the Shashe Dam in Botswana and has been collected downstream in the Shashe River in Zimbabwe (Minshull 1987) and it might therefore occur elsewhere in the Limpopo system.
Countries:	Native: Angola; Botswana; Congo, The Democratic Republic of the; Namibia; Zambia; Zimbabwe

Range Description:

Okavango, upper Zambezi, Kafue, Cunene and Zambian Congo systems (Skelton 2001). In the Upper Zambezi, it occurs only in the lower reaches below Sioma Falls down to Victoria Falls and is apparently absent from the extensive Barotse floodplains (Winemiller 1991, Tweddle et al. 2004), although Winemiller assigned two juveniles from the Kabompo River to this species. It was introduced into the Shashe Dam in Botswana and has been collected downstream in the Shashe River in Zimbabwe (Minshull 1987) and it might therefore occur elsewhere in the Limpopo system.

Countries:

Native:

Angola; Botswana; Congo, The Democratic Republic of the; Namibia; Zambia; Zimbabwe

Population [top]

Population:	Widespread though patchy distribution, but locally common in suitable habitats.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Floodplain channels and lagoons, favouring open water (Skelton 2001). In the Okavango Delta, Tweddle et al. (2003) found it to be very common in vegetation bordering sandy bottomed, strongly flowing channels through the marshes, but scarce elsewhere in the delta. Preys on insects, shrimps, crabs and fish.
Systems:	Freshwater

Threats [top]

Major Threat(s):	None known.

Major Threat(s):

None known.

Conservation Actions [top]

Conservation Actions:	The species has some protection in reserves.

Conservation Actions:

The species has some protection in reserves.

Citation:	Marshall, B.E. & Tweddle, D. 2007. Serranochromis thumbergi. In: IUCN 2009. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on 09 February 2010.
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