David Fleetham / Close up of underside of Panamic cushion star (Pentaceraster cumungi), Galapagos Islands, Ecuador.

Alex Mustard / California sea lion (Zalophus californianus) uses a Panamic cushion star (Pentaceraster cumingi) as a toy. The sealions pick up the starfish and then drop them and chase after them as they sink. Los I...

Alex Mustard / California sea lion pup (Zalophus californianus) practicings its hunting skills by playing chase with a falling sea star (Panamic cushion star: Pentacerster cumingi). Los Islotes, La Paz, Baja Califor...

Alex Mustard / California sea lion (Zalophus californianus) using a Panamic cushion star (Pentaceraster cumingi) as a toy. The sealions pick up the starfish and then drop them and chase after them as they sink. Los...

Franco Banfi / Scuba diver with Panamic cushion seastars (Pentaceraster cumingi) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Franco Banfi / Panamic cushion seastars (Pentaceraster cumingi) Sea of Cortez, Baja California, Mexico, East Pacific Ocean.

Michele Westmorland / Panamic Cushion Sea Star (Pentaceraster cumingi) on reef structure. Galapagos Islands.

Michele Westmorland / Diver swimming over reef structure. Panamic Cushion Sea Star (Pentaceraster cumingi) Galapagos Islands.

Pete Oxford / Panamic cushion star (Pentaceraster cumingi) underwater on algae covered rock, Fernandina Island, Galapagos Islands, South America

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

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

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