#4627 · 🐌 snails, slugs & other molluscs
Velvet Dorid
🇳🇱 Satijnslak ·Jorunna tomentosa
🐌 Snails, slugs & other molluscs 📍 in the Netherlands
📍 Zeelandbrug, Zierikzee, Netherlands
📍 Zeelandbrug, Zierikzee, Netherlands
📍 Zeelandbrug, Zierikzee, Netherlands
📍 Zeelandbrug, Zierikzee, Netherlands
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Glenn Biscop · CC BY-NC 4.0
- 2. © Nicolas Jouault · CC BY-NC 4.0
- 3. © Lou Wagstaffe · CC BY 4.0
- 4. © Pierre Corbrion · CC BY-NC-SA 4.0
- 5. © Emil B · CC BY-NC 4.0
- 6. © Christine Morrow · CC BY-NC 4.0
- 7. Zeelandbrug, Zierikzee, Netherlands:© Glenn Biscop · CC BY-NC 4.0
- 8. Zeelandbrug, Zierikzee, Netherlands:© Glenn Biscop · CC BY-NC 4.0
- 9. Zeelandbrug, Zierikzee, Netherlands:© Glenn Biscop · CC BY-NC 4.0
- 10. Zeelandbrug, Zierikzee, Netherlands:© Glenn Biscop · CC BY-NC 4.0
what is it?
Jorunna tomentosa is a species of sea slug, a dorid nudibranch, a shell-less marine gastropod mollusc in the family Discodorididae.
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 65 times in the Netherlands on iNaturalist.
- 1,471 observations worldwide on iNaturalist.
- Scientifically named by Georges Cuvier in 1804 (222 years ago).
fact sheet
- English
- Velvet Dorid
- Nederlands
- Satijnslak
- scientific name
- Jorunna tomentosa
- class
- Gastropoda
- order
- Nudibranchia
- family
- Discodorididae
- sightings in NL
- 65
- sightings in Europe
- 1,282
- sightings worldwide
- 1,471
- GBIF records in NL
- 282
- weight
- —
- length
- —
- lifespan
- —
- named
- 1804 by Georges Cuvier
relatives· Discodorididae
#4624 📷 10Millenium wratslak
Geitodoris planata
👀 72 in NL
#4821 📷 9San Diego Dorid
Diaulula sandiegensis
🌍 10.2k seen
#4826 📷 10Red Sponge Dorid
Rostanga pulchra
🌍 8.6k seen
#4831 📷 9Noble Dorid
🇳🇱 Montereina nobilis
Peltodoris nobilis
🌍 8.1k seen
#4791 📷 10Leopard Sea Slug
🇳🇱 Luipaardslak
Peltodoris atromaculata
🌍 2.5k seen
Sources: iNaturalist taxon 489143, Wikidata Q3199079, GBIF 2292454, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.