A colony of red whip fan corals with crinoids, Papua New Guinea, Pacific

Juvenile cuttlefish (Sepia latimanus) less than 3 cm long shelters in the arms of a crinoid (featherstar), Celebes Sea, Sabah, Malaysia, Southeast Asia, Asia

Red Spot Cardinalfish surrounding Featherstar, Apogon parvulus, Triton Bay, West Papua, Indonesia

Red Whip Coral, Ellisella ceratophyta, Triton Bay, West Papua, Indonesia

Harlequin Ghost Pipefish, Solenostomus paradoxus, Ambon, Moluccas, Indonesia

Red Crinoid Shrimp in Feather Star, Periclimenes amboinensis, Komodo National Park, Indonesia

Red Spot Cardinalfish surrounding Featherstar, Apogon parvulus, Triton Bay, West Papua, Indonesia

Harlequin Ghost Pipefish, Solenostomus paradoxus, Ambon, Moluccas, Indonesia

Crinoid on Red Sponge, Comanthina sp., Raja Ampat, West Papua, Indonesia

Coral Grouper in Coral Reef, Cephalopholis miniata, Christmas Island, Australia

Red crinoid on Tengah Kecil Island, Komodo National Park, Flores Sea, Indonesia, Southeast Asia, Asia

Comanthina Crinoid (Comantheria briareus) black & white in colour and hanging down on brilliant red Sea Fan, Sipidan, Mabul, Malaysia.

Comanthina Crinoid (Comantheria briareus) black & white in colour and hanging down on brilliant red Sea Fan, Sipidan, Mabul, Malaysia.

Red (Lace) coral, Distichopora violacea, feather stars, and juvenile gray reef shark, Carcharhinus amblyrhynchos, Ailuk atoll, Marshall Islands, Pacific

Feather star, possibly Oxycomanthus bennetti, West Escarceo, Puerto Galera, Mindoro, Philippines.

Colourful yellow Crinoid feeding surrounded by red hard coral; Fiji

This female Ornate Ghost Pipefish, also known as a Harlequin Ghost Pipefish (Solenostomus paradoxus) is holding it's egg mass in the pouch that is formed by two specialized fins. The eggs can seen through the transparent areas of the fins, Philippines

Detail of the center branching arms of a Crinoid or Feather Star (Lamprometra klunzingeri) open and feeding on plankton at night, Philippines