Catapyrgus sororius

Catapyrgus sororius is a critically endangered species of fresh water snail endemic to New Zealand.[3]

Catapyrgus sororius

Nationally Critical (NZ TCS)[1]
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Family: Tateidae
Genus: Catapyrgus
Species:
C. sororius
Binomial name
Catapyrgus sororius
Martin Haase, 2008[2]
Synonyms
  • Hydrobiidae sp. 38 (M.174165)

Habitat

This snail has only been found in one location, a stream in the Ida Cave in the Oparara River Valley in the Kahurangi National Park. This area is a protected forest reserve managed by the Department of Conservation. Although the population trend of this species is regarded as being stable the main threats to this snail are pollution events in the stream it inhabits and caving activities.[4]

Conservation status

In November 2018 the Department of Conservation classified Catapyrgus sororius 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 only in one location, the total area of which is less than 1 hectare. It is considered as being Data Poor under that system.[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. "Catapyrgus sororius Haase, 2008". www.nzor.org.nz. Landcare Research New Zealand Ltd. Retrieved 2017-07-10.
  4. Collier, K. "Catapyrgus sororius". www.iucnredlist.org. The IUCN Red List of Threatened Species. Retrieved 1 September 2015.
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