Sunday 19 May
Galapagos land snail (Bulimulus reibischi)
CRITICALLYENDANGERED
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Find out here.Galapagos land snail fact file
- Description
- Biology
- Range
- Habitat
- Status
- Threats
- Conservation
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- Glossary
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Galapagos land snail description
| Kingdom | Animalia |
| Phylum | Mollusca |
| Class | Gastropoda |
| Order | Stylommatophora |
| Family | Bulimulidae |
| Genus | Bulimulus (1) |
This Galápagos land snail is one of many tiny endangered bulimulid snails endemic to the Galápagos islands, which often go unnoticed due to their small size (the largest species only reaching 25 mm in length) and dull brown colours (2) (3). While the foot of this species is pale brown, the relatively long, conical shell is cream-coloured, and bares a distinctively wrinkled texture.
- Synonyms
- Naesiotus reibischi.
- Endemic
- A species or taxonomic group that is only found in one particular country or geographic area.
- IUCN Red List (October, 2006)
http://www.iucnredlist.org - Coppois, G. (1998) Invertebrate research overview: 2. The endemic land snails. Bulletin De L'institut Royal Des Sciences Naturelles De Belgique, 70. Available at:
http://www.darwinfoundation.org/articles/br15049806.html - Parent, C.E. and Smith, R.P. (2006) Galápagos Bulimulids: Status report on a devastated fauna. Tentacle: Newsletter of the IUCN/SSC Mollusc Specialist Group, 14: 25 - 27. Available at:
http://www.hawaii.edu/cowielab/Tentacle/Tentacle%2014%20(Cowie%202005).pdf#search=%22Bulimulus%20reibischi%22 - Parent, C. (2006) Pers. comm.
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Galapagos land snail biology
Nothing is known of this Galápagos land snail’s biology.
TopGalapagos land snail range
Confined to the island of Santa Cruz in the Galápagos Islands, Ecuador, where just one population is known with a total range of no more than 10 km² (1).
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Species with a similar range
Galapagos land snail habitat
Found on shrubs and tree trunks (Croton scouleri and Bursera graveolens) in arid to transition zones (1). B. reibischi might also be found under lava rocks, where many specimens of the same species might be found glued together, especially during the dry season. The specimens can also be found under the bark of some trees, especially Opuntia cacti (4).
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Species found in a similar habitat
Galapagos land snail status
Classified as Critically Endangered (CR) on the IUCN Red List 2006.
Galapagos land snail threats
Since its colonisation in 1920, the human population on Santa Cruz has multiplied dramatically, leading to the decline of suitable habitat for land snails as farming and road and house construction grew (1) (2). In addition, habitat alteration and introduced species of plants and animals are also thought to have had a negative impact (1) (3).
TopGalapagos land snail conservation
There are currently no conservation measures targeting this species.
|
View information on this species at the UNEP World Conservation Monitoring Centre. |
Authentication
Authenticated (06/12/2006) by Christine Parent, Department of Biological Sciences, Simon Fraser University.
http://www.sfu.ca/~cparent/index.htm
Glossary
References
More »Related species
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Image credit
Bulimulus reibischi on leaf
© Christine Parent
Christine Parent
Department of Biological Sciences
Simon Fraser University
Burnaby
BC
V5A 1S6
Canada
Tel: +01 (604) 291 5625
Fax: +01 (604) 291 3496
cparent@sfu.ca
http://www.sfu.ca/~cparent/
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