Bulimulus nesioticus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Mollusca Gastropoda Stylommatophora Orthalicidae

Scientific Name: Bulimulus nesioticus (Dall, 1896)
Naesiotus nesioticus Dall, 1896
Taxonomic Notes: Synonym = Naesiotus nesioticus.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B1ab(iii)c(iv) ver 3.1
Year Published: 2003
Date Assessed: 2003-04-30
Needs updating
Assessor(s): Parent, C.
Reviewer(s): Coppois, G. & Seddon, M.B. (Mollusc Red List Authority)
Bulimulus nesioticus is endemic to Santiago Island in the Galápagos Islands. It is known from six subpopulations on the island, with a range of suitable habitat less than 200 km². Population size is known to fluctuate widely from year to year, possibly due to climate changes in climate as a result of El Niño cycles. The main threat to the species is destruction and/or alteration of habitat by introduced goats.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Bulimulus nesioticus is endemic to the Galápagos Island of Santiago (585 km²). The range of suitable habitat for the species is less than 200 km².
Countries occurrence:
Ecuador (Galápagos)
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Population size is seen to fluctuate widely from year to year.
Current Population Trend:Unknown
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Humid and pampa zones. Found on shrubs and ferns, under lava rocks and on trunks of trees (mainly Zanthoxylum fagara, Tournefortia spp. and Psychotria rufipes).

Threats [top]

Major Threat(s): Destruction and/or alteration of habitat by introduced goats is the main threat to the species. There is an established population of the invasive little fire ant, Wasmannia auropunctata, on the island (Silberglied 1972).

Citation: Parent, C. 2003. Bulimulus nesioticus. The IUCN Red List of Threatened Species 2003: e.T3295A9744457. . Downloaded on 25 September 2018.
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