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Amastra micans, commonly known as the Amastrid land snail, is a species of land snail, a terrestrial pulmonate gastropod mollusk in the family Amastridae. [ 2 ] [ 3 ] [ 4 ] It is a critically endangered species and endemic to the Hawaiian Islands , mainly found in the Waianae Mountains of Oahu .
Location of Hawaii. The non-marine molluscs of Hawaii are part of the molluscan fauna of Hawaii, which in turn is part of the (wildlife of Hawaii). A number of species of non-marine molluscs are found in the wild in Hawaii. In addition there are at least ? gastropod species living as hothouse aliens, only in greenhouses, aquaria, and terraria.
Known as Achatinella fuscobasis, the snail species had dwindled to only 11 individuals in the wild by 1991, according to officials with the Department of Land and Natural Resources in Hawaii ...
Since these snails reproduce slowly and only exist in a few limited locations, they are very vulnerable to threats. Habitat destruction for agriculture and invasive species are noted as the biggest reason for population decline, though fires, collecting, drought, hurricanes, logging and human recreation are also to blame.
In addition, invasive species such as Norway rats, Jackson's chameleons, and the highly predatory snail Euglandina rosea have been involved in the extinctions and declines of the native tree snails. [5] [4] O'ahu tree snail shells collected ca. 1933 at an elevation of 1500 feet on Waialae Ridge in Waialae Country Club, Honolulu, Hawaii.
Achatinella apexfulva is a (probably) extinct species of colorful, tropical, arboreal pulmonate land snail in the family Achatinellidae, once present on Oahu, Hawaii. A. apexfulva is the type species of the genus Achatinella. The specific name, apexfulva, meaning "yellow-tipped", refers
This species is preyed on by animals, which includes rats, cannibal snails, and chameleons, but is not considered federally or state endangered. [6] The Snail Extinction Prevention Program (SEPP) released around 1200 snails, including the amastra spirizona , out into a predator-free enclosure that they keep well-maintained.
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