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 or white in adults. The inner secondary spines have venom. As with all sea urchins contact is not advised. The perirectal cone is spotted. Amami 2023
Small Banded Urchin with full length of spines visible. Amami 2024
This large Banded Urchin has all white and all black spines. Amami 2018