Black Longspine Urchin
Diadema setosum
Indo-Pacific Rock-boring Urchin
Echinometra mathaei
Banded Sea Urchin
Echinothrix calamaris
Blue-spotted Urchin
Astropyga radiata
Imperial Lance Urchin
Phyllacanthus imperialis
Red Pencil Urchin
Heterocentrotus mamillatus
Slate pencil urchin
Heterocentrotus trigonarius
Flower Urchin
Toxopneustes pileolus
Collector Urchin
Tripneustes gratilla