Gary Bell/ Oceanwide / Sea Goldie (Pseudanthias squamipinnis) school in coral reef with feather stars, Great Barrier Reef, Queensland, Australia

David Fleetham / Crinoid shrimp (Periclimenes amboinensis) on matching Feather star (Comanthus bennetti) Philippines.

Franco Banfi / Crinoids (Oxycomanthus bennetti) Menjangan Island, Bali Island, Indonesia, Pacific Ocean

Constantinos Petrinos / Peacock-tail anemone shrimp (Periclimenes brevicarpalis) living commensally with the Branching Sea Anemone (Actinodendron glomeratum). Lembeh Strait, North Sulawesi, Indonesia.

Juergen Freund / Feather star (Crinoidea) underside. Misool, Raja Ampat, West Papua, Indonesia

Juergen Freund / Feather star (Crinoidea) underside. Misool, Raja Ampat, West Papua, Indonesia.

Colin Varndell / Ivy (Hedera helix) leaves with Star moss (Polytrichum) and Feather moss (Thuidium tamariscum) Kingcombe, Dorset, UK March 2010

Birgitte Wilms / Seahorse (Hippocampus sp) holding on to a Crinoid, Papua, Papua New Guinea

Chris Newbert / Fan Coral (Melithaea sp) group and Feather Star (Oxycomanthus bennetti), Solomon Islands

Chris Newbert / Feather Star (Colobometra perspinosa) on Sea Fan (Melithaea sp) and Leather Coral (Sarcophyton sp) 70 Feet Deep, Solomon Islands

Fred Bavendam / Feather Star (Oxycomanthus bennetti) group clinging to the lip of a large sponge, Manado, North Sulawesi, Indonesia

Fred Bavendam / Feather Star (Oxycomanthus bennetti) clinging to a coral prominence where it can feed in the currents, Milne Bay, Papua New Guinea