{
  "@context": "https://schema.org",
  "@type": "Taxon",
  "slug": "olm",
  "name": "Olm",
  "scientificName": "Proteus anguinus",
  "category": "Amphibian",
  "summary": "The olm (Proteus anguinus) is a blind, pale cave salamander of Dinaric Alps karst waters in Slovenia, Croatia, and Bosnia. It can live for decades, survives years without food, eats cave crustaceans and worms, and is listed Vulnerable as groundwater pollution and habitat disturbance threaten subterranean aquifers.",
  "conservationStatus": "Vulnerable",
  "taxonomy": {
    "kingdom": "Animalia",
    "phylum": "Chordata",
    "class": "Amphibia",
    "order": "Urodela",
    "family": "Proteidae",
    "genus": "Proteus"
  },
  "stats": {
    "weightKg": 0.02,
    "lengthM": 0.3,
    "topSpeedKmh": 1,
    "lifespanYears": 70
  },
  "facts": [
    {
      "label": "Scientific name",
      "value": "Proteus anguinus"
    },
    {
      "label": "Diet",
      "value": "Carnivore (cave invertebrates)"
    },
    {
      "label": "Habitat",
      "value": "Subterranean limestone caves and aquifers"
    },
    {
      "label": "Lifespan",
      "value": "Around 70 years in the wild (varies by population and captivity)."
    },
    {
      "label": "Weight",
      "value": "About 0.02 kg typical adult mass (sex and region vary)."
    },
    {
      "label": "Top speed",
      "value": "Up to roughly 1 km/h when moving at speed."
    },
    {
      "label": "Conservation status",
      "value": "Vulnerable (IUCN)"
    }
  ],
  "range": {
    "nativeRange": "Underground karst waters of the Dinaric Alps in Slovenia, Croatia, and Bosnia.",
    "continents": [
      "Europe"
    ]
  },
  "sources": [],
  "lastReviewed": "2026-07-16",
  "canonicalUrl": "https://globalanimalguide.org/animals/olm/",
  "license": {
    "name": "CC BY-NC 4.0",
    "url": "https://creativecommons.org/licenses/by-nc/4.0/",
    "attribution": "Global Animal Guide — https://globalanimalguide.org/animals/olm/",
    "note": "Free to reuse for non-commercial purposes with attribution and a link back to the canonical page."
  }
}