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Amastra micans

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Species of gastropod
Amastra micans
Conservation status

Critically Endangered  (IUCN 2.3)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Order: Stylommatophora
Family: Amastridae
Genus: Amastra
Species: A. micans
Binomial name
Amastra micans
(L. Pfeiffer, 1859)

Amastra micans, commonly known as the Amastrid land snail, is a species of land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. It is a critically endangered species and endemic to the Hawaiian Islands, mainly found in the Waianae Mountains of Oahu.

Description

Amastra micans is tiny to medium-sized, with their shell measuring an average of 15mm in height and 9mm in width. The shell is elongated and conical in shape, coiled in a dextral (right-handed) spiral with a pointed apex. Their shell's surface is smooth and polished, with a wide range of colors and patterns, typically light brown to dark brown, with a white or cream-colored apex.

Amastra micans feed on waste.

Distribution and habitat

This species is endemic to the Hawaiian islands, being only found on the island of Oahu. They are particularly located in the Waianae Mountains.

Amastra micans inhabit leaves and trees, notably the leaf litter of the native tree Pipturus albidus.

Conservation status

Amastra micans is classified as critically imperiled and faces various threats to its survival, including habitat loss and predation. However, they have been relocated to a protected habitat and now only live in the central Waianae range, following extensive efforts with the Hawaii State Division of Forestry and Wildlife and Bishop Museum.

References

  1. Cowie, R.H. (1996). "Amastra micans". IUCN Red List of Threatened Species. 1996: e.T986A13100662. doi:10.2305/IUCN.UK.1996.RLTS.T986A13100662.en. Retrieved 15 November 2021.
  2. "Amastrid Land Snail (Amastra micans) | Idaho Fish and Game". idfg.idaho.gov. Retrieved 2024-03-01.
  3. "Taxon Details | MCZbase". mczbase.mcz.harvard.edu. Retrieved 2024-03-01.
  4. ^ "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2024-03-01.
  5. ^ "Amastra". Division of Forestry and Wildlife: Native Ecosystems Protection & Management. 2020-12-29. Retrieved 2024-03-01.
  6. ^ Leung, Kelley (2023-11-22). "A size and taxonomic assessment of non-lethal DNA sampling of gastropods using Flinders Technology Associates (FTA) cards". Conservation Genetics Resources. 16 (1): 45–61. doi:10.1007/s12686-023-01325-3. ISSN 1877-7260.
Taxon identifiers
Amastra micans

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