Long-spined sea urchin
Invertebrate
- Scientific name
- Diadema setosum
- Size
- 5–20 cm2–7.9 in
- Depth range
- 0–70 m0–230 ft
Diver notes
Spines are brittle and break off in skin. Hover rather than settling anywhere you have not looked at.
Where to see this
Recently seen
No sightings recorded yet. Tick this species on a dive in your logbook and it shows up here.