#4640 · 🐌 snails, slugs & other molluscs
Slender Eolis
🇳🇱 Slanke waaierslak ·Coryphella gracilis
🐌 Snails, slugs & other molluscs 📍 in the Netherlands
📍 Zeelandbrug, Zierikzee, Nederland
📍 Putti's Place, Goesse sas, Nederland
📍 Weg naar de Val 12, 4301 RM Zierikzee, Nederland
📍 4675 RB Sint-Annaland, Nederland
📍 Oosterschelde, Zeeuwse meren, 158_13_400, NL
📍 Zeelandbrug, Zierikzee, Netherlands
📍 4675 RB Goese Sas, Nederland
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Tine Kinn Kvamme · CC BY 4.0
- 2. © Jovan Grollino · CC BY-NC 4.0
- 3. © Stefan · CC BY-NC 4.0
- 4. Zeelandbrug, Zierikzee, Nederland:© Carla van Westing · CC BY-NC 4.0
- 5. Putti's Place, Goesse sas, Nederland:© Glenn Biscop · CC BY-NC 4.0
- 6. Weg naar de Val 12, 4301 RM Zierikzee, Nederland:© Carla van Westing · CC BY-NC 4.0
- 7. 4675 RB Sint-Annaland, Nederland:© Carla van Westing · CC BY-NC 4.0
- 8. Oosterschelde, Zeeuwse meren, 158_13_400, NL:© Stefan · CC BY-NC 4.0
- 9. Zeelandbrug, Zierikzee, Netherlands:© Glenn Biscop · CC BY-NC 4.0
- 10. 4675 RB Goese Sas, Nederland:© Glenn Biscop · CC BY-NC 4.0
what is it?
Microchlamylla gracilis , sometimes known by the common name slender eolis , is a species of sea slug, an aeolid nudibranch, a marine gastropod mollusc in the family Flabellinidae.
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 42 times in the Netherlands on iNaturalist.
- 598 observations worldwide on iNaturalist.
fact sheet
- English
- Slender Eolis
- Nederlands
- Slanke waaierslak
- scientific name
- Coryphella gracilis
- class
- Gastropoda
- order
- Nudibranchia
- family
- Coryphellidae
- sightings in NL
- 42
- sightings in Europe
- 376
- sightings worldwide
- 598
- weight
- —
- length
- —
- lifespan
- —
Sources: iNaturalist taxon 1392218, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.