Tropical Reefs

Banded Urchin

Echinothrix calamaris

Location: Bali, Indonesia

Scientific Name: Echinothrix calamaris

Also known as: Double-Spined Urchin

Category: Sea Urchins

Size: 4 to 8 in. (10 to 20 cm)

Depth: 5-150 ft. (2-45 m)

Distribution: Indo-Pacific, Hawaii, Red Sea, French Polynesia