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#4639 · 🐌 snails, slugs & other molluscs

Hedgehog Slug

🇳🇱 Egel-wegslak ·Arion intermedius

LCleast concern 🐌 Snails, slugs & other molluscs 📍 in the Netherlands
Hedgehog Slug, photo 1 of 10
1/10 © Jesse Rorabaugh · CC0

what is it?

Arion intermedius is a species of land slug in the family Arionidae, the roundback slugs. It is known commonly as the hedgehog slug , hedgehog arion , or glade slug . It is native to Western Europe, and it is known as an introduced species in many other regions, including North America, Australia, New Zealand, North Africa, South Africa, and the Pacific Islands.

base stats

  • NL sightings 43iNaturalist, research grade
  • worldwide 3,386iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • Spotted 43 times in the Netherlands on iNaturalist.
  • 3,386 observations worldwide on iNaturalist.

fact sheet

English
Hedgehog Slug
Nederlands
Egel-wegslak
scientific name
Arion intermedius
class
Gastropoda
order
Stylommatophora
family
Arionidae
IUCN Red List
LC · least concern
sightings in NL
43
sightings in Europe
399
sightings worldwide
3,386
GBIF records in NL
1,385
weight
—
length
—
lifespan
—

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Arionidae

Sources: iNaturalist taxon 214186, Wikidata Q1136577, GBIF 2294097, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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