Centrostephanus rodgersii

Centrostephanus rodgersii is a species of sea urchins of the family Diadematidae.
Description.
It is a big, dark-purple sea urchin, with long and slender spines, reflecting a green tinge in the light. The shell can be reddish.
Distribution and habitat.
This sea urchin can be found in New Zealand and south-east Australia.