Fan Worm on red Sponge, Spirographis sp., Caribbean Sea, Dominica

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

Fan Worm on red Sponge, Spirographis sp., Caribbean Sea, Dominica

A bright cup coral, Tubastrea sp., grows on a remote reef in Raja Ampat, Indonesia.

Yellow crinoid on large sponge, Bunaken NP Indonesia