Potamopyrgus doci

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

Potamopyrgus doci

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

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.[1] 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. Grainger, N.; Harding, J.; Drinan, T.; Collier, K.; Smith, B.; Death, R.; Makan, T.; Rolfe, J. (November 2018). "Conservation status of New Zealand freshwater invertebrates, 2018" (PDF). New Zealand Threat Classification Series. 28: 1–29 – via Department of Conservation.
  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". IUCN Red List of Threatened Species. Retrieved 5 September 2015.
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