#4670 · 🐌 snails, slugs & other molluscs
Shag-rug Nudibranch
🇳🇱 Grote vlokslak ·Aeolidia papillosa
🐌 Snails, slugs & other molluscs 📍 in the Netherlands
9 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Aeolidia papillosa is a species of nudibranch in the family Aeolidiidae. Common name common grey sea slug .
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
- Spotted 22 times in the Netherlands on iNaturalist.
- 2,246 observations worldwide on iNaturalist.
- Scientifically named in 1761 (265 years ago).
fact sheet
- English
- Shag-rug Nudibranch
- Nederlands
- Grote vlokslak
- scientific name
- Aeolidia papillosa
- class
- Gastropoda
- order
- Nudibranchia
- family
- Aeolidiidae
- sightings in NL
- 22
- sightings in Europe
- 505
- sightings worldwide
- 2,246
- GBIF records in NL
- 1,040
- weight
- —
- length
- —
- lifespan
- —
- named
- 1761
relatives· Aeolidiidae
Sources: iNaturalist taxon 498116, Wikidata Q174694, GBIF 2291938, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.