Pale, blind olm salamander swimming in a dark cave pool

Amphibia · Urodela

Olm

Proteus anguinus

Fully aquatic cave salamander, blind and unpigmented, that retains feathery external gills and an eel-like body for its entire life without ever completing metamorphosis.

Realm
Freshwater
Conservation status
VUVulnerable
Data provenance

This range is an occurrence-derived learning extent, not an official assessment range map. See the methodology page for the complete pipeline. GBIF.org occurrence density (GBIF Maps API v2) · 1° global raster; derived from GBIF per-cell occurrence density, vagrant-trimmed by a cumulative record-count threshold, morphologically closed, small-and-distant components pruned, clipped to a Natural Earth 1:110m realm mask.

Method and version
Evidence snapshot

A sample of openly-licensed occurrence records retained after quality filtering. 16 licence-filtered records across 5 1° cells, retrieved 2026-08-24.

Inspect on GBIF
Retained datasets (8)