Quick Facts
Scientific name
Diadema setosum
Other names
Needle Spined Sea Urchin
Size
Up to 7 cm (2.75 in) body
Weight
Under .15 kg (.33 lb)
Distribution
Habitat & AU Distribution
Coastal waters mostly amongst rocky & coral reefs but also found on sand flats and seagrass beds
Depth Range
0 - 70 m (229 ft)
![Long Spined Sea Urchin Distribution](https://marinewise.com.au/wp-content/uploads/2022/02/Australian-Fish-Distribution-147.png)