Potamopyrgus doci

Potamopyrgus doci

Nationally Critical (NZ TCS)[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Truncatelloidea
Family: Tateidae
Genus: Potamopyrgus
Species: P. doci
Binomial name
Potamopyrgus doci
Martin Haase, 2008[2]
Synonyms
  • Hydrobiidae sp. 4 (M.174064)

Potamopyrgus doci is a critically endangered species of fresh water snail native to New Zealand.[1]

Habitat

This snail has been found in only one location in a spring at the exit of Ruakuri Cave, in the Waitomo Caves, north west of Te Kuiti.[2] This habitat is only a few square metres in size but is within a protected area. However, there is recreational rafting in the cave and agriculture upstream may result in a decline in water quality. Despite this the population trend is regarded as being stable.[3]

Conservation Status

In 2013 the Department of Conservation classified Potamopyrgus doci as Nationally Critical under the New Zealand Threat Classification System. The species was judged as meeting the criteria for Nationally Critical threat status as a result of it occupying a total area of less than 1 hectare. It is found only in one location.[1]

References

  1. 1 2 3 Grainger, Natasha; Collier, Kevin; Hitchmough, Rod; Harding, Jon; Smith, Brian; Sutherland, Darin (May 2014). "Conservation status of New Zealand freshwater invertebrates, 2013" (PDF). New Zealand Threat Classification Series 8. Wellington, New Zealand: Department of Conservation. ISSN 2324-1713. Retrieved 5 September 2015.
  2. 1 2 Haase, Martin (February 2008). "The radiation of hydrobiid gastropods in New Zealand: A revision including the description of new species based on morphology and mtDNA sequence information". Systematics and Biodiversity. 6 (1): 99–159. doi:10.1017/S1477200007002630.
  3. ↑ "Potamopyrgus doci". The IUCN Red List of Threatened Species. IUCN. Retrieved 5 September 2015.
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