#4592 · 🐌 snails, slugs & other molluscs
Boston Facelina
🇳🇱 Brede ringsprietslak ·Facelina bostoniensis
🐌 Snails, slugs & other molluscs 📍 in the Netherlands
📍 Zoetersbout
📍 Dreischor, Frans Kok rif
📍 Plompe Toren, Oosterschelde, Nederland
📍 Oosterschelde, Bruinisse, Zeeland, NL
📍 Koudekerkseweg 12, 4328 NP Burgh-Haamstede, Nederland
📍 duikstek Zeelandbrug, Nederland
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Glenn Biscop · CC BY-NC 4.0
- 2. © Glenn Biscop · CC BY-NC 4.0
- 3. © Guido Schmitz · CC BY-NC 4.0
- 4. © Heine Jensen · CC BY 4.0
- 5. Zoetersbout:© Adrie Rolloos · CC BY-NC 4.0
- 6. Dreischor, Frans Kok rif:© Glenn Biscop · CC BY-NC 4.0
- 7. Plompe Toren, Oosterschelde, Nederland:© Glenn Biscop · CC BY-NC 4.0
- 8. Oosterschelde, Bruinisse, Zeeland, NL:© essepoester1990 · CC BY-NC 4.0
- 9. Koudekerkseweg 12, 4328 NP Burgh-Haamstede, Nederland:© Carla van Westing · CC BY-NC 4.0
- 10. duikstek Zeelandbrug, Nederland:© Lynn Biscop · CC BY-NC 4.0
what is it?
Facelina bostoniensis is a species of sea slug, an aeolid nudibranch in the family Facelinidae.
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 192 times in the Netherlands on iNaturalist: the #24 most seen of the snails, slugs & other molluscs in NL.
- 1,194 observations worldwide on iNaturalist.
- Scientifically named by Joseph Pitty Couthouy in 1838 (188 years ago).
fact sheet
- English
- Boston Facelina
- Nederlands
- Brede ringsprietslak
- scientific name
- Facelina bostoniensis
- class
- Gastropoda
- order
- Nudibranchia
- family
- Facelinidae
- sightings in NL
- 192
- sightings in Europe
- 1,043
- sightings worldwide
- 1,194
- GBIF records in NL
- 1,264
- weight
- —
- length
- —
- lifespan
- —
- named
- 1838 by Joseph Pitty Couthouy
relatives· Facelinidae
Sources: iNaturalist taxon 461834, Wikidata Q1261303, GBIF 2292199, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.