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Banded urchin

Echinothrix calamaris


Common on reefs and rubble away from the surf zone. Closely spaced primary spines black in adults, banded with white in juveniles, narrow venomous secondary spines entirely yellow-brown. Test diameter and spine length attain 4 inches. Gonads are a local delicacy. Anal opening may host the commensal crab, Echinoecus pentagonus. Hawaii & the Indo-Pacific.


Hanuana bay

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Spotted by

Hawaii, USA

Spotted on Oct 13, 2014
Submitted on Dec 3, 2014

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