#4905 · 🪼 jellyfish, starfish, worms & co
Jelly Crust Tunicate
🇳🇱 Grijze korstzakpijp ·Diplosoma listerianum
🪼 Jellyfish, starfish, worms & co 📍 in the Netherlands
8 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Diplosoma is a genus of tunicates belonging to the family Didemnidae.
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 15 times in the Netherlands on iNaturalist.
- 1,330 observations worldwide on iNaturalist.
- Scientifically named by Patricia Mather in 1952 (74 years ago).
fact sheet
- English
- Jelly Crust Tunicate
- Nederlands
- Grijze korstzakpijp
- scientific name
- Diplosoma listerianum
- class
- Ascidiacea
- order
- Aplousobranchia
- family
- Didemnidae
- sightings in NL
- 15
- sightings in Europe
- 209
- sightings worldwide
- 1,330
- GBIF records in NL
- 93
- weight
- —
- length
- —
- lifespan
- —
- named
- 1952 by Patricia Mather
relatives· Didemnidae
Sources: iNaturalist taxon 81778, Wikidata Q4925350, GBIF 5200414, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.