Alexander's Spiny Brittle Star

Ophiocoma alexandri

Needle Sea Urchin

Diadema mexicanum

Sandy Sea Cucumber

Holothuria inornata

Black Spiny Brittle Star

Ophiocoma aethiops

Panamic Cushion Star

Pentaceraster cumingi

Slate Pencil Urchin

Eucidaris thouarsii

Brown Sea Cucumber

Isostichopus fuscus

Pin Cushion Sea Urchin

Astropyga pulvinata

Central American Rock-boring Urchin

Echinometra vanbrunti

Rose Flower Urchin

Toxopneustes roseus