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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 ...
Molecular phylogeny and biogeography of endemic Hawaiian succineid land snails (Pulmonata: Gastropoda). Molecular Phylogenetics and Evolution, 31: 246–255. 2002 Holland, B.S. & M.G. Hadfield. Islands within an island: phylogeography and conservation genetics of the endangered Hawaiian tree snail Achatinella mustelina.
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.
Achatinella mustelina is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc in the family Achatinellidae. This species is endemic to the Waianae Range of the island of Oahu, Hawaii. Achatinella mustelina
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 bellula is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to the Hawaiian island of Oahu in the United States. No more than five specimens have been observed since 1979. [3]
Achatinella bulimoides is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Achatinellidae. This species is endemic to Hawaii . Shell description
Achatinella fulgens is a species of air-breathing land snail, a terrestrial pulmonate gastropod mollusc within the Achatinella genus of the family Achatinellidae. [3] The species is one of a collection of snail species commonly referred to as Oʻahu tree snails or pupu kuahiwi in the Hawaiian language. [3]