Featherstar or Sea lily

Description:

Those crinoids which, in their adult form, are attached to the sea bottom by a stalk are commonly called sea lilies, while the unstalked forms are called feather stars or comatulids, being members of the largest crinoid order, Comatulida . Adult crinoids are characterised by having the mouth located on the upper surface.

Habitat:

Waving in a slight current on a shallow reef. Red sea reef at the shore edge.