Saltwater
Burrowing urchin
Echinometra mathaei
Echinometridae
Echinometra mathaei
Echinometridae
Seen in the wild in American Samoa, Australia, China, Christmas Island, Cocos (Keeling) Islands, Cook Islands, Egypt, Fiji, and 49 more countries.
Echinometra mathaei, the burrowing urchin, is a species of sea urchin in the family Echinometridae. It occurs in shallow waters in the Indo-Pacific region. The type locality is Mauritius.