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Bulinus nyassanus

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA MOLLUSCA GASTROPODA HYGROPHILA PLANORBIDAE

Scientific Name: Bulinus nyassanus
Species Authority: Smith, 1877
Taxonomic Notes: Recently recognised as intermediate host for Schistosoma haematobium in Lake Malawi.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2004-05-30
Assessor(s): Kaunda, E. & Mailosi, A.
Reviewer(s): Seddon, M.B. & Kristensen, T. (Mollusc Red List Authority)
Justification:
This species is endemic to Lake Malawi where it is assumed to have a widespread distribution and has no known major widespread threats.
History:
1996 Vulnerable

Geographic Range [top]

Range Description: This species is endemic to Lake Malawi. This species is known from southwest shores in water 1.5 to 15m deep (and at 95m (Gray 1981)), and is also found at Monkey Bay and Cape Maclear.
Countries:
Native:
Malawi
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: At Cape Maclear studies found 90 individuals/m2 in soft sediment at 5-10m depth (Genner and Michel, 2003) and 1.6 individuals/m2 (Louda et al. 1983).
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: It is found in soft substrates from shallow to potentially very deep (5-95 m).
Systems: Freshwater

Threats [top]

Major Threat(s): This species is threatened by fishing activities, especially where submerged plants are removed by fishing gears e.g. seine nets. A number of distribution centres of fishing have been set close to the shore.

Conservation Actions [top]

Conservation Actions: No information available.

Citation: Kaunda, E. & Mailosi, A. 2010. Bulinus nyassanus. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 22 November 2014.
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