Pacific Ocean_Admiralty Is. (Manus Is.)
Habitat and Ecology
IUCN Red List Assessment
Red List Category
Red List Criteria
- Needs updating
- 1994Rare(Groombridge 1994)
- 1990Rare(IUCN 1990)
- 1988Rare(IUCN Conservation Monitoring Centre 1988)
- 1986Rare(IUCN Conservation Monitoring Centre 1986)
Date Listed: 06/02/1970
Lead Region: Foreign (Region 10)
Where Listed: Entire
Population location: Entire
Listing status: E
For most current information and documents related to the conservation status and management of Papustyla pulcherrima , see its USFWS Species Profile
Emerald green snail
The emerald green snail, green tree snail, or Manus green tree snail, scientific name Papustyla pulcherrima, sometimes listed as Papuina pulcherrima, is a species of large, air-breathing tree snail, a terrestrial pulmonate gastropod mollusk in the family Camaenidae.
The shells of this species were in demand for making jewelry, and were popular with shell collectors and partly as a result of this, the species is now endangered.
Distribution and habitat
The shell of this species is a vivid green color, which is unusual in snails. The green color is however not within the solid, calcium carbonate part of the shell but instead it is a very thin protein layer known as the periostracum. Under the periostracum the shell is yellow.
Overharvesting of the species for commercial purposes led to a decline in the population of this snail. Logging of the rain forest where this species lives is also a serious threat to its survival.
The snail and its shell are protected under CITES (Convention on International Trade in Endangered Species of Wild Fauna and Flora) and the species is listed in the IUCN Red List as a species on which data are deficient.
- Mollusc Specialist Group 1996. Papustyla pulcherrima. In: IUCN 2008. 2008 IUCN Red List of Threatened Species. <www.iucnredlist.org>. Downloaded on 20 July 2013.
- CITES species database. Accessed 20 July 2013
- U.S. Fish & Wildlife Service (Last updated 5 January 2010). Species Profile for Manus Island Tree snail (Papustyla pulcherrima)." U.S. Fish & Wildlife Service website. Accessed 6 January 2010.
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