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Mutela franci 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Bivalvia Unionoida Iridinidae

Scientific Name: Mutela franci
Species Authority: Daget, 1964

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(iii) ver 3.1
Year Published: 2010
Date Assessed: 2006-08-06
Assessor(s): Kristensen, T.K. & Stensgaard, A-S.
Reviewer(s): Seddon, M. & McIvor, A.
Justification:
The length of river that it is known from is approximately 1,200 km, and the average width of river in this area is 500m. Therefore the area of occupancy is considered less than 2,000 km². Given the threats of dams and mining, the population may be considered to exist in three locations and with the spread of water hyacinths and their effect on fish mobility (as mussels use fish as an obligate host for their larvae), turbidity and temperature, it is likely that habitat is also declining in quality.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is endemic to middle Niger.
Countries occurrence:
Native:
Burkina Faso; Niger
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:No information available.
Current Population Trend:Unknown
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It is presumably a large river species (given its distribution). It lives in bottom sediments.
Systems:Freshwater

Threats [top]

Major Threat(s): Two proposed dams in Niger and gold mining in the upstream part of this species distribution are threats. The dams are not certain because they would affect flow to a large dam downstream, so this is a political issue at the moment. If the dams were built, it would divide the population into three locations. Dams are major causes of bivalve extinctions. Additionally water hyacinth is an invasive species causing major problems in this region, affecting temperature, turbidity, fish movements and the whole ecosystem.

Conservation Actions [top]

Conservation Actions: We need to know more about the taxonomy, population size, range, ecology.

Citation: Kristensen, T.K. & Stensgaard, A-S. 2010. Mutela franci. The IUCN Red List of Threatened Species 2010: e.T165407A6018747. . Downloaded on 23 March 2017.
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