Hawaii pictures

Diadema and pencil urchins

Scientific name :
Diadème : Diadema setosum
Crayon : Heterocentrotus mammillatus
Hawaïan name :
Diadème : ina
Crayon : Punahu
The diadema urchin has black or white sharp spines reaching 10 to 30cm long. They live in tropical coral reefs like Hawaii.
The pencil urchins is typical of central Pacific. It is identifiable to its red colour and its pencil-like spines.

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