Chetia brevis

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:

Chetia brevis

Species Authority:

Jubb, 1968

Common Name/s:

English

–

Orange-fringed River Bream

Assessment Information [top]

Red List Category & Criteria:

Endangered B1ab(iii,v)+2ab(iii,v) ver 3.1

Year Assessed:

2007

Assessor/s:

Engelbrecht, J. & Bills, R.

Reviewer/s:

Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Unit)

Justification:
This rare species has an estimated extent of occurrence (EOO) less than 5,000 km². Its area of occupancy (AOO) is less than 500 km². Given the main threats of alien fish predators, subsistence fishing, and impacts from agricultural activities, fewer than five locations are estimated for the species. The alien fish species Serranochromis robustus continues to spread throughout the lower Lomati and Komati River systems; continuing population declines are anticipated.

History:

1996	–	Vulnerable
1994	–	Rare (Groombridge 1994)
1990	–	Rare (IUCN 1990)
1988	–	Rare (IUCN Conservation Monitoring Centre 1988)

Geographic Range [top]

Range Description:	Lomati River (low-veld) system in Swaziland and Mpumalanga, South Africa.
Countries:	Native: Mozambique; South Africa (Mpumalanga); Swaziland
Range Map:	(click map to view full version)

Population [top]

Population:	A rare species - typically encountered in ones and twos in riverine habitats. Does very well in Dams (e.g., Driekoppies and Lomati Draai Dam).
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	Slow flowing vegetated sections of rivers and backwaters. Artificial dams.
Systems:	Freshwater

Threats [top]

Major Threat(s):	River regulation (continuous high flows) of the Lomati River. Serranochromis robustus is spreading through the lower Lomati and Komati River systems. Subsistence fishermen do target this species as they are easily caught on baited hooks.

Major Threat(s):

River regulation (continuous high flows) of the Lomati River. Serranochromis robustus is spreading through the lower Lomati and Komati River systems. Subsistence fishermen do target this species as they are easily caught on baited hooks.

Conservation Actions [top]

Conservation Actions:	Benign introductions made into one dam in Kruger National Park already successfully made. Introductions into irrigation dams in the Lomati catchment are suggested.

Conservation Actions:

Benign introductions made into one dam in Kruger National Park already successfully made. Introductions into irrigation dams in the Lomati catchment are suggested.

Citation:	Engelbrecht, J. & Bills, R. 2007. Chetia brevis. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 09 February 2012.
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