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Glabrennea gardineri

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA MOLLUSCA GASTROPODA STYLOMMATOPHORA STREPTAXIDAE

Scientific Name: Glabrennea gardineri
Species Authority: (Sykes, 1909)
Synonym/s:
Gulella gardineri (Sykes, 1909)
Taxonomic Notes: This species recently changed genus, from Gulella to Glabrennea (Schileyko 2000).

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(iii)+2ab(iii) ver 3.1
Year Published: 2009
Date Assessed: 2006-01-11
Assessor/s: Gerlach, J.
Reviewer/s: Miller, R.M., Pollock, C.M. & Seddon, M.B.
Justification:
Although populations are currently stable and the species remains locally abundant, it has a restricted range (EOO = 300 km², AOO = 25 km²) and is known from only 3 locations. Habitat degradation is currently taking place as a result of invasive non-native plant species, the severity of which is unknown.

Geographic Range [top]

Range Description: Edemic to the Seychelles islands of Mahé and Silhouette, this snail has an extent of occurrence (EOO) of 300 km² and an area of occupancy (AOO) of 25 km². It is found in 3 locations.
Countries:
Native:
Seychelles (Seychelles (main island group))
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The population was estimated at 877,000 individuals in 2005.
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: A predatory species, this snail feeds on small invertebrates. It is found in high-altitude forest, from 400-800 m.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species is threatened by habitat degradation, caused in the past by small-holder farming and wood plantations and currently caused by invasive alien species (e.g., Cinnamomum verum). The severity of the effects of these invasive plants on this species are unknown.

Conservation Actions [top]

Conservation Actions: This snail is present in Morne Seychellois National Park. Protection of Silhouette island is required, as is control of invasive species.
Citation: Gerlach, J. 2009. Glabrennea gardineri. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 18 April 2014.
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