White Sea Urchin

Tripneustes depressus, lateral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.

Tripneustes depressus, oral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.

Tripneustes depressus, aboral viewTripneustes depressus, collected off Clarion Island, Mexico, North Pacific Ocean, by the R. V. Albatross.