#4816 · 🐌 snails, slugs & other molluscs
Hopkins' Rose Nudibranch
Ceratodoris rosacea
🐌 Snails, slugs & other molluscs 📍 outside Europe
📍 Cape Arago Hwy, Coos Bay, OR 97420, USA
📍 Orange County, CA, USA
📍 Pillar Point
📍 Cabrillo National Monument, San Diego, California, United States
📍 San Diego County, CA, USA
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Donna Pomeroy · CC BY-NC 4.0
- 2. © Ken-ichi Ueda · CC BY 4.0
- 3. © Rebecca Johnson · CC BY-NC 4.0
- 4. © Cricket Raspet · CC BY 4.0
- 5. © plocamium · CC BY-NC 4.0
- 6. Cape Arago Hwy, Coos Bay, OR 97420, USA:© MacKenna · CC BY-NC-ND 4.0
- 7. Orange County, CA, USA:© Craig Hoover · CC BY-NC 4.0
- 8. Pillar Point:© Donna Pomeroy · CC BY-NC 4.0
- 9. Cabrillo National Monument, San Diego, California, United States:© Madeleine Claire · CC BY 4.0
- 10. San Diego County, CA, USA:© Drepanostoma · CC BY 4.0
what is it?
Hopkin's rose nudibranch is a species of sea slug, specifically a dorid nudibranch, a marine gastropod mollusc in the family Goniodorididae. Previously known as Okenia rosacea , this species was reclassified as Ceratodoris rosacea in 2024.
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.
- 11,142 observations worldwide on iNaturalist.
fact sheet
- English
- Hopkins' Rose Nudibranch
- scientific name
- Ceratodoris rosacea
- class
- Gastropoda
- order
- Nudibranchia
- family
- Goniodorididae
- sightings in NL
- 0
- sightings worldwide
- 11,142
- weight
- —
- length
- —
- lifespan
- —
relatives· Goniodorididae
Sources: iNaturalist taxon 1520980, Wikidata Q141760594, Wikipedia (EN). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.