#4890 · 🪼 jellyfish, starfish, worms & co
Star Tunicate
🇳🇱 Gesterde geleikorst ·Botryllus schlosseri
7 photos from iNaturalist (Creative Commons) · credits & licences
what is it?
Botryllus schlosseri , commonly known as the star ascidian or golden star tunicate , is a colonial ascidian tunicate that grows on slow-moving, submerged objects, plants, and animals in nearshore saltwater environments.
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 25 times in the Netherlands on iNaturalist: the #44 most seen of the jellyfish, starfish, worms & co in NL.
- 5,377 observations worldwide on iNaturalist.
- Scientifically named by Peter Simon Pallas in 1766 (260 years ago).
fact sheet
- English
- Star Tunicate
- Nederlands
- Gesterde geleikorst
- scientific name
- Botryllus schlosseri
- class
- Ascidiacea
- order
- Stolidobranchia
- family
- Styelidae
- sightings in NL
- 25
- sightings in Europe
- 2,038
- sightings worldwide
- 5,377
- GBIF records in NL
- 353
- weight
- —
- length
- —
- lifespan
- —
- named
- 1766 by Peter Simon Pallas
relatives· Styelidae
#4872 📷 10Stalked Sea Squirt
🇳🇱 Japanse knotszakpijp
Styela clava
👀 56 in NL
#4873 📷 9San Diego Sea Squirt
Botrylloides diegensis
👀 56 in NL
#4886 📷 10Chain Tunicate
🇳🇱 Gewone slingerzakpijp
Botrylloides violaceus
👀 29 in NL
#4933 📷 10ladder ascidian
🇳🇱 Tweekleurige slingerzakpijp
Botrylloides leachii
👀 8 in NL
Sources: iNaturalist taxon 62408, Wikidata Q837241, GBIF 5200757, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.