Cleopatra cridlandi 


Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Sorbeoconcha Paludomidae

Scientific Name: Cleopatra cridlandi
Species Authority: Mandahl-Barth, 1954

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii) ver 3.1
Year Published: 2010
Date Assessed: 2004-05-30
Needs updating
Assessor(s): Lange, C.
Reviewer(s): Seddon, M.B. & Kristensen, T. (Mollusc Red List Authority)
As a shoreline species and not continuously spread within its habitat it is probable that it has an AOO of less than 20,000 km². It is known from one location at Dagusi Island and Lange has found the species at four sites in his survey work in the Kenyan part of Lake Victoria. Not much survey work has been undertaken in Uganda since 1950s. The habitat is also declining in quality through pollution, sedimentation and human disturbance.
Previously published Red List assessments:
2004 Vulnerable (VU)

Geographic Range [top]

Range Description: This species is endemic to Lake Victoria, occurring at Dagusi Island, Buvuma channel and Kavirondo Gulf mainly from shore to about 12 m depth (in Kenya, Uganda and Tanzania waters).
Countries occurrence:
Kenya; Tanzania, United Republic of; Uganda
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Lake Victoria (Winham Gulf) survey data shows it is the least abundant species in the region appearing at four sites of total 50 sites (Lange 2003 ). In an ongoing exploration of Kenyan Lake Victoria gastropods the species has been reported to be rare and associated with least disturbed areas (Field observation).
Current Population Trend: Unknown
Additional data:
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species occurs from the shoreline to about 12 meters deep in the lake. Mostly found within the least disturbed areas.
Systems: Freshwater

Threats [top]

Major Threat(s): Pollution, sedimentation and human disturbance all threaten this species.

Conservation Actions [top]

Conservation Actions: No information available.

Citation: Lange, C. 2010. Cleopatra cridlandi. The IUCN Red List of Threatened Species 2010: e.T44270A10885635. . Downloaded on 27 November 2015.
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