Banded Urchin (Echinothrix calamaris) トックリガンガゼモドキ
The Banded Urchin has medium spines. The longed primary spines are strongly banded in juveniles. They can become all black in adults. The inner secondary spines have venom. As with all sea urchins contact is not advised. The perirectal cone is spotted.
Same juvenile Banded Urchin with full length of spines visible.