- English Common Name
- Long-spined Sea Urchin
- Scientific name
- Diadema setosum
- Taxonomy
- Order: Diadematoida, Family: Diadematidae
- Size
- 5 cm – 9 cm (shell size)
- Species Distribution
- Indo-Pacific, widely distributed south of the Boso Peninsula in Japan
- Okinawan Common Name
- Yuyu, Yun
- Compared with other sea urchins, this species has thin long spines.
- Spines have small hooks on the surface and are very sharp that can penetrate wet suits and reach skins. The hooks are fragile; even after removal of spines, they can remain in the body causing some problem.
Diadema savignyi
-
※Caution!
Please check hazardous marine life in Okinawa. - Updated June 2017