IUCN SSC Mid-Atlantic Island Invertebrates Specialist Group

Species

BackNapaeus esbeltus Ibañez & Alonso, 1995

Napaeus esbeltus Ibañez & Alonso, 1995

  • Kingdom: Animalia
  • Phylum:
  • Class: Mollusca
  • Order: Gastropoda
  • Family: Enidae
VU Vulnerable
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 Tenerife, it is known from three locations close to Bajamar on the north-eastern coast, where the species is subject to encroachment of urban area leading to habitat loss and degradation. The species is assessed as Vulnerable (VU) B2ab(iii) as it likely that there are other small sub-populations adjacent to this area.

Geographic Range:

This species is endemic to the Canary Islands, where it is found on Tenerife, near to Bajamar on the north-eastern coast.

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

Population:

Only 12 specimens are known. Therefore it is not possible to give a population trend. The species is very restricted and the specimen are rare within that region.

Habitat and Ecology

This species occurs in typical Canarian vegetation on the Piso basa.

Major Threat(s):

The species occurs in a small area of occupancy, within an area of urban development.

Conservation Actions

Gomez et al. (2001) proposed the protection of the habitat, as the species is sensitive to habitat changes.  This species is included as Vulnerable D2 on the Red List of Spain (Verdu and Galante 2006).