#5053 · 🪼 jellyfish, starfish, worms & co
Collector Urchin
🇳🇱 Indo-Pacifische Zee-egel ·Tripneustes gratilla
🪼 Jellyfish, starfish, worms & co 📍 outside Europe
10 photos from iNaturalist (Creative Commons) · credits & licences
- 1. © Franco Colnago · CC BY-NC 4.0
- 2. © Philippe Bourjon · CC BY-SA 4.0
- 3. © Tsu Soo Tan · CC BY-NC 4.0
- 4. © sea-kangaroo · CC BY-NC-ND 4.0
- 5. © Benjamin Wright · CC BY-NC 4.0
- 6. © Philippe Bourjon · CC BY-SA 4.0
- 7. Tala Bay Residence Block 10 Aqaba, Jordanien:© Jacek Pietruszewski · CC BY 4.0
- 8. Indonesia:© Franz Anthony · CC BY 4.0
- 9. © Benoît Segerer · CC BY-NC 4.0
- 10. Toowoon Bay NSW 2261, Australia:© Emily Sonter · CC BY-NC 4.0
what is it?
The collector urchin ( Tripneustes gratilla ) is a species of sea urchin. Collector urchins are found at depths of 2 to 30 metres (7 to 100 ft) in the waters of the Indo-Pacific, Hawaii, the Red Sea, and The Bahamas. They can reach 10 to 15 centimetres (4 to 6 in) in size.
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.
- 4,005 observations worldwide on iNaturalist.
- Scientifically named in 1758 (268 years ago).
fact sheet
- English
- Collector Urchin
- Nederlands
- Indo-Pacifische Zee-egel
- scientific name
- Tripneustes gratilla
- class
- Echinoidea
- order
- Camarodonta
- family
- Toxopneustidae
- sightings in NL
- 0
- sightings worldwide
- 4,005
- GBIF records in NL
- 0
- weight
- —
- length
- —
- lifespan
- —
- named
- 1758
relatives· Toxopneustidae
Sources: iNaturalist taxon 122127, Wikidata Q1811877, GBIF 4341500, Wikipedia (EN), Wikipedia (NL). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.