IUCN SSC Mid-Atlantic Island Invertebrates Specialist Group

Species

BackHemicycla perraudierei (Grasset, 1857)

Hemicycla perraudierei (Grasset, 1857)

  • Kingdom: Animalia
  • Phylum:
  • Class: Mollusca
  • Order: Gastropoda
  • Family: Helicidae
LC Least Concern
IUCN Red List Status:

Countries of Occurrence:
Spain - Canaries

Archipelago(s):
Canaries

Assessor/s:
Groh, K.

Reviewer/s:
Neubert, E., Ward, J. & Cuttelod, A.

Contributor/s:

Facilitators / Compilers/s:


Assessment Rationale:

The species meets the area requirements under criterion B for threatened as the area of occupancy is less than 12 km2, and there are only three known locations. However, the population is stable, there are no known threats and the entire population is found within a protected area. Therefore, the species is assessed as Least Concern (LC).

Geographic Range:

This species is endemic to El Hierro where it is found in laurisilva forest in the high mountains of the north, from 800 to 1,200 m asl. It is known from three locations with five sites making the extent of occurrence 45 km² and the area of occupancy less than 12 km² (Alonso and Ibanez 2007).

Regions:
Spain - Canaries
Extent of Occurrence (EOO):
(km2)
Area of Occupancy (AOO):
12 (km2)
Elevation Lower Limit:
800 (m)
Elevation Upper Limit:
1200 (m)
Biogeographic Realms:
Paleartic
Presence:
Extant
Origin:
Endemic Canaries
Seasonality:
Resident

Population:

The population is thought to be stable.

Habitat and Ecology

The species is found in laurisilva forest in the high mountains in the north of the island, from 800 to 1,200 m asl.

Major Threat(s):

Any threats to this species are unknown.

Conservation Actions

The entire population can be found within a protected area.