Diplotaxodon argenteus

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:	Diplotaxodon argenteus
Species Authority:	Trewavas, 1935

Assessment Information [top]

Red List Category & Criteria:	Least Concern ver 3.1
Year Assessed:	2006
Assessor/s:	Kasembe, J.
Reviewer/s:	Snoeks, J. (Freshwater Fish Red List Authority) & Darwall, W. (Freshwater Biodiversity Assessment Programme)
Justification: Endemic to Lake Malawi. Widespread distribution with no major widespread threats identified.

Geographic Range [top]

Range Description:	Endemic to Lake Malawi. It is common in the southern part of the lake although found throughout.
Countries:	Native: Malawi; Mozambique; Tanzania, United Republic of
Range Map:	(click map to view full version)

Population [top]

Population:	No information available.
Population Trend:	Unknown

Habitat and Ecology [top]

Habitat and Ecology:	This species occurs in trawl catches from 34–114 m throughout the southeastern arm of the lake and from 50-125m in the southwestern arm of the lake. It may be a mid-water spawner, in the south western arm 60% of breeding males were caught at 75 m while ripe females were caught between 75-125 m. In the southwestern arm fecundity for this species ranged from 25–53 for females weighing between 55–139 g and the average size at maturity was 14 cm SL. It occurs as bycatch in the mid water trawl catches and also occurs in the catches of deep-water demersal trawls as well as chilimira nets and handlines. Max. size: 20 cm TL.
Systems:	Freshwater

Habitat and Ecology:

This species occurs in trawl catches from 34–114 m throughout the southeastern arm of the lake and from 50-125m in the southwestern arm of the lake. It may be a mid-water spawner, in the south western arm 60% of breeding males were caught at 75 m while ripe females were caught between 75-125 m. In the southwestern arm fecundity for this species ranged from 25–53 for females weighing between 55–139 g and the average size at maturity was 14 cm SL. It occurs as bycatch in the mid water trawl catches and also occurs in the catches of deep-water demersal trawls as well as chilimira nets and handlines. Max. size: 20 cm TL.

Systems:

Freshwater

Threats [top]

Major Threat(s):	Potential over-fishing.

Major Threat(s):

Potential over-fishing.

Conservation Actions [top]

Conservation Actions:	None.

Conservation Actions:

None.

Citation:	Kasembe, J. 2006. Diplotaxodon argenteus. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 09 February 2012.
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