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

Georgette Douwma / Cushion starfish (Halityle regularis) with a small sand perch on sea bed. Lembeh, Sulawesi, Indonesia.

Georgette Douwma / Cushion starfish (Halityle regularis) on sea bed. Lembeh, Sulawesi, Indonesia.

Georgette Douwma / Blue sea star (Linckia laevigata) and Pin cushion sea star (Culcita noaguineae) on sea bed. Lembeh, Sulawesi, Indonesia.

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.

Alex Hyde / Cushion Star (Asterias rubens) on a white background, Devon, UK. June.

Pascal Kobeh / Indian cushion sea star (Culcita schmideliana) close up, coast of Dhofar and Hallaniyat islands, Oman. Arabian Sea.

Sue Daly / Cushion Star (Asterina gibbosa) L'Etac, Sark, British Channel Islands.

Sue Daly / Cushion Star (Asterina gibbosa) Guillaumesse, Sark, British Channel Islands.