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Achatinella livida
Extinct species of gastropod From Wikipedia, the free encyclopedia
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Achatinella livida is an extinct species[2] of air-breathing land snail in the family Achatinellidae. This species was endemic to Oʻahu, Hawaiʻi.
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Description
Achatinella livida shells can reach a length of 17mm and a diameter of 9.0mm, with up to six whorls.[3] Their shell is shaped like a cone with a pointed top.[3] Their shells are livid brown to purple, and the tip of the shell slowly transitions to white.[3] The shell's seam is separated by a distinct line that contains a deep orange-brown color.[3]
Distribution and habitat
Achatinella livida is endemic to the Northern Ko’olau mountains on the island of O'ahu.[4][5] Achatinella livida can be found in their native moist forest habitat on Metrosideros polymorpha ('Ohi'a lehua).[3]
Conservation status
Achatinella livida is classified as critically imperiled as of 2014 with a wild population sie estimate of at least 76 individuals.[2] Similar to most Hawaiian tree snails, there are various threats to its survival, such as habitat loss and being endangered by Euglandina rosea and other predators.[6] In 2014, the captive population of A. livida consisted of 25 individuals, including three adults.[2] This captive population was founded in 1997 with 13 adults taken from its original range.[2]
References
External links
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