Pachnodus kantilali 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Stylommatophora Cerastidae

Scientific Name: Pachnodus kantilali Van Mol & Coppois, 1980

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2009
Date Assessed: 2006-01-11
Needs updating
Assessor(s): Gerlach, J.
Reviewer(s): Miller, R.M., Pollock, C.M. & Seddon, M.B.
This species has a restricted range (EOO and AOO estimated to be 15 km²; 5 locations). Within this area, populations are stable but vulnerable to further habitat deterioration. Habitat quality across the species' range is currently deteriorating due to invasion by Cinnamomum verum trees.

Geographic Range [top]

Range Description:A Seychelles endemic found on Mahé island, this snail's extent of occurrence (EOO) and area of occupancy (AOO) have both been estimated to be 15 km².
Countries occurrence:
Seychelles (Seychelles (main island group))
Additional data:
Estimated area of occupancy (AOO) - km2:15Continuing decline in area of occupancy (AOO):No
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:15
Continuing decline in extent of occurrence (EOO):NoExtreme fluctuations in extent of occurrence (EOO):No
Number of Locations:5Continuing decline in number of locations:No
Extreme fluctuations in the number of locations:NoLower elevation limit (metres):350
Upper elevation limit (metres):990
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The population was estimated at 545,000 individuals in 2005.
Current Population Trend:Stable
Additional data:
Number of mature individuals:545000Continuing decline of mature individuals:No
Extreme fluctuations:NoPopulation severely fragmented:No
Continuing decline in subpopulations:No
Extreme fluctuations in subpopulations:NoAll individuals in one subpopulation:No

Habitat and Ecology [top]

Habitat and Ecology:This is an arboreal species, found in high forest (350-990 m).
Continuing decline in area, extent and/or quality of habitat:Yes

Threats [top]

Major Threat(s): This snail is vulnerable to habitat deterioration, currently caused by invasive exotic species (e.g., Cinnamomum verum). In the past, small-holder farming and wood plantations also threatened the species' habitat, but these are no longer considered a threat.

Conservation Actions [top]

Conservation Actions: The species is protected within Morne Seychellois National Park. Invasive species must be controlled throughout the Seychelles islands. Research is needed into this species' life history and ecology.

Citation: Gerlach, J. 2009. Pachnodus kantilali. The IUCN Red List of Threatened Species 2009: e.T168114A6452502. . Downloaded on 22 January 2018.
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