Long spined sea urchin

Long spined sea urchin

 

Scientific name : Diadema setosum

 

Family : Diadematidae
Size : Spikes can reach 30 cm
Distribution : Red sea, Indian ocean, Tropical central Pacific ocean, East Mediterranean

 

Biology : It has powerful teeth that help it to pull out algae attached to the substrate.
It is found in lagoons, on the sand, in sea grass beds…