Georgette Douwma / Honeycomb / Cushion starfish (Pentaceraster alveolatus) Malapascua Island, Philippines, September

Georgette Douwma / Honeycomb / Cushion starfish (Pentaceraster alveolatus) Malapascua Island, Philippines, September

Georgette Douwma / Honeycomb / Cushion starfish (Pentaceraster alveolatus) Malapascua Island, Philippines, September

David Fleetham / Close up view of five parasitic snails (Eulimidae) attached to the underside of a Knobby seastar (Pentaceraster cumingi), Hawaii, Pacific Ocean.

Sergio Hanquet / Granulated sea star (Choriaster granulatus) resting on coral reef, Ari Atoll, Maldives, Indian Ocean.

Tui De Roy / Two Chocolate chip seastars (Nidorellia armata) with Green sea urchin (Lytechinus variegatus) on sea floor, Galapagos Islands, Ecuador. Pacific Ocean.

Tui De Roy / Panamic cushion seastar (Pentaceraster cumingi) with Gulfweed (Sargassaceae) on sea floor. Galapagos Islands, Ecuador. Pacific Ocean.

Tui De Roy / Cold sea fan (Muricea) community with Blacktip cardinalfish (Apogon atradorsatus) and Chocolate chip seastar (Nidorellia armata) swimming at heart of Cromwell Current upwelling. Isabela Island, Gala...

Tui De Roy / Cold sea fan (Muricea) community with Chocolate chip seastar (Nidorellia armata) and Galapagos black coral (Antipathes galapagensis) at heart of Cromwell Current upwelling. Isabela Island, Galapagos...

Tui De Roy / Red sun star (Asterias cumingii) and Chocolate chip seastar (Nidorellia armata) amongst Gulfweed (Sargassaceae). Galapagos Islands, Ecuador. Pacific Ocean.

Tui De Roy / Panamic cushion seastar (Pentaceraster cumingi) next to red seaweed. Galapagos Islands, Ecuador. Pacific Ocean.

Tui De Roy / Green turtle (Chelonia mydas) sleeping on underwater ledge with Panamic cushion seastar (Pentaceraster cumingi) and Galapagos black coral (Antipathes galapagensis). Galapagos Islands, Ecuador. Paci...