Overview

Comprehensive Description

Biology

Eggs are guarded and fanned by the male parent (Ref. 205). Caught with all types of inshore gear. Probably sold fresh in markets.
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Distribution

Range Description

Endemic to Madagascar.
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Distribution

Madagascar, Mozambique
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Africa: estuaries and freshwaters of Madagascar.
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Physical Description

Size

Maximum size: 160 mm SL
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Max. size

16.0 cm SL (male/unsexed; (Ref. 4209))
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Diagnostic Description

Description

Caught with all types of inshore gear. Probably sold fresh in markets.
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Ecology

Habitat

Habitat and Ecology

Systems
  • Freshwater
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Environment

benthopelagic; freshwater; brackish
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Life History and Behavior

Life Cycle

Eggs are guarded and fanned by the male parent (Ref. 205).
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Conservation

Conservation Status

IUCN Red List Assessment


Red List Category
VU
Vulnerable

Red List Criteria
B1ab(ii,iii,v)+2ab(ii,iii,v)

Version
3.1

Year Assessed
2004

Assessor/s
Loiselle, P. & participants of the CBSG/ANGAP CAMP "Faune de Madagascar" workshop, Mantasoa, Madagascar 2001

Reviewer/s
Stiassny, M.L.J., Sparks, J.S. (AMNH, New York) & Darwall, W (Freshwater Biodiversity Assessment Programme)

Justification
Mesopristes elongatus perviously was listed as Lower Risk, least concern. Improved information since then has resulted in it being uplisted to Vulnerable.

is species remains widely distributed in Madagascar's east coast rivers, between Mahanara and Manarara. Pending major shifts in land use in the basin, this species is assessed as Vulnerable on the basis of its extent of occurrence and area of occupancy being less than 20,000 km² and less than 2,000 km² respectively, and a continuing decline in distribution range due to the impact of deforestation leaving the habitat highly fragmented. The species is rarely collected, despite much recent effort throughout its presumed range, and it is debatable whether it should be upgraded to an assessment status of Endangered. However, data are currently lacking to resolve this question.

History
  • 1996
    Lower Risk/least concern
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Population

Population Trend
Decreasing
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Threats

Threats

Major Threats
Main threat is habitat fragmentation and degradation through siltation caused by deforestation.
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Vulnerable (VU) (B1ab(ii,iii,v)+2ab(ii,iii,v))
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Relevance to Humans and Ecosystems

Benefits

Importance

fisheries: subsistence fisheries
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Wikipedia

Mesopristes elongatus

Mesopristes elongatus is a species of fish in the Terapontidae family. It is endemic to Madagascar. Its natural habitat is rivers. It is threatened by habitat loss.

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