IUCN SSC Mid-Atlantic Island Invertebrates Specialist Group

Species

BackObelus discogranulatus Alonso & Groh, 2003

Obelus discogranulatus Alonso & Groh, 2003

  • Kingdom: Animalia
  • Phylum:
  • Class: Mollusca
  • Order: Gastropoda
  • Family: Cochlicellidae
EN Endangered
IUCN Red List Status:

Countries of Occurrence:
Spain - Canaries

Archipelago(s):
Canaries

Assessor/s:
Groh, K. & Alonso, M.R.

Reviewer/s:
Neubert, E., Seddon, M.B. & Cuttelod, A.

Contributor/s:

Facilitators / Compilers/s:


Assessment Rationale:

This species is endemic to Fuerteventura where it is restricted to a small area of eastern Jandia mountains (3 locations with an area of occupancy of 20 km2). It is impacted by goats disturbing the habitat and hotel construction within the coastal part of the range are considered to be future threats, hence the species is listed as Endangered (EN) B2ab(iii).

Geographic Range:

This species is endemic to Fuerteventura.

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

Population:

This is a recently described species, so there are no population trend data.

Habitat and Ecology

This species lives in a shrub dominated psammophilous vegetation of the lowlands and piso basa. There is an observed decline in the quality of habitat with low to moderate impact on the species.

Major Threat(s):

Goats, tourism activities and in lowland areas by coast hotel construction are the main threats.

Conservation Actions

The species was listed by Ibanez et al. (2003) was Vulnerable (B1 + B2c, version 2.3). Conservation actions should include the protection of the area and habitats and the future monitoring of the habitat, as well as the reduction of the impact of the goats on the habitat and the restriction of tourist activities to defined areas.