English Common Name

Banded Sea Urchin, Double Spined Urchin

Scientific name

Echinothrix calamaris

Taxonomy

Order: Diadematoida, Family: Diadematidae

Size

Up to 10 cm

Species Distribution

Indian Ocean to West Pacific Ocean

Echinothrix calamaris is a big sea urchin. Thick spines have fine short thorns on its surface with black and white stripe patterns. Diadema setousum has a similar appearance, but D. setousum has irregular short thorns. Its Japanese common name came from its anus shape’s similarity to that of Japanese sake server, tokkuri.

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Updated October 2018

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