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#4572 · 🐌 snails, slugs & other molluscs

Leopard Slug

🇳🇱 Tijgerslak ·Limax maximus

LCleast concern 🐌 Snails, slugs & other molluscs 📍 in the Netherlands
Leopard Slug, photo 1 of 7
1/7 © Bernard DUPONT · CC BY-NC-SA 4.0

what is it?

Limax maximus (literally, "biggest slug"), known by the common names great grey slug and leopard slug , is a species of slug in the family Limacidae, the keeled slugs. It is among the largest keeled slugs, Limax cinereoniger being the largest.

base stats

  • NL sightings 751iNaturalist, research grade
  • worldwide 79,060iNaturalist 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 751 times in the Netherlands on iNaturalist: the #4 most seen of the snails, slugs & other molluscs in NL.
  • 79,060 observations worldwide on iNaturalist.
  • Scientifically named in 1758 (268 years ago).

fact sheet

English
Leopard Slug
Nederlands
Tijgerslak
scientific name
Limax maximus
class
Gastropoda
order
Stylommatophora
family
Limacidae
IUCN Red List
LC · least concern
sightings in NL
751
sightings in Europe
27,339
sightings worldwide
79,060
GBIF records in NL
21,059
weight
—
length
—
lifespan
—
named
1758

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

relatives· Limacidae

Sources: iNaturalist taxon 62470, Wikidata Q854808, GBIF 2295438, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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