Fred Bavendam / Red Biscuit Star (Pentagonaster dubeni), Jervis Bay, New South Wales, Australia

Georgette Douwma / Thousand-pores Sea Star (Fromia milleporella) lying on reef with Zoanthids, colonial anemones - Protopalythoa species. West Papua, Indonesia. Indo-West Pacific.

David Fleetham / Necklace seastar (Fromia monilis) on Sea cucumber (Bohadaschia argus) Yap, Micronesia.

Sue Daly / Cushion Star (Ceramaster granularis), Trondheimsfjord, Norway, July.

Sue Daly / Starfish (Hippasteria phrygiana), Trondheimsfjord, Norway, July.

Constantinos Petrinos / Peppermint sea star (Fromia monilis) Lembeh Strait, North Sulawesi, Indonesia.

Georgette Douwma / Porous sea star (Fromia milleporella) Raja Ampat, West Papua, Indonesia

Georgette Douwma / Indian sea star (Fromia indica) West Papua, Indonesia.

Pascal Kobeh / Necklace starfish (Fromia monilis) on variable thorny oyster (Spondylus varius), Maldives, Indian Ocean. This starfish is a predator of oysters.

Franco Banfi / Penta star (Peltaster placenta) Stupiste In dive site, Vis Island, Croatia, Adriatic Sea, Mediterranean

Franco Banfi / Penta star (Peltaster placenta) Ponza Island, Italy, Tyrrhenian Sea, Mediterranean

Fred Bavendam / Sea Star (Mediaster aequalis), California Sea Cucumber (Parastichopus californicus) and Red Sea Urchin (Strongylocentrotus franciscanus), British Columbia, Canada