Agassiz' heart urchin

Brissus agassizii

Eleven-armed Seastar

Coscinasterias muricata

Common urchin

Heliocidaris erythrogramma

Eastern egg urchin

Holopneustes purpurascens

Buried sea cucumber

Neothyonidium magnum

Vermilion Star

Pentagonaster dubeni

Red Sea star

Pentagonaster dubeni

Beautiful Pencil Urchin

Prionocidaris callista

Southern Passion Star

Ptilometra australis