#4774 · 🐌 snails, slugs & other molluscs
Black-headed Slug
Krynickillus melanocephalus
🐌 Snails, slugs & other molluscs 📍 in Europe, not in NL
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Krynickillus melanocephalus is a species of air-breathing land slug, a shell-less terrestrial gastropod mollusk in the family Agriolimacidae.
base stats
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
- No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
- 4,034 observations worldwide on iNaturalist.
fact sheet
- English
- Black-headed Slug
- scientific name
- Krynickillus melanocephalus
- class
- Gastropoda
- order
- Stylommatophora
- family
- Agriolimacidae
- sightings in NL
- 0
- sightings in Europe
- 2,739
- sightings worldwide
- 4,034
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
relatives· Agriolimacidae
Sources: iNaturalist taxon 807716, Wikidata Q14635695, GBIF 4567721, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.