Georgette Douwma / Kaleidoscopic image of Basket star (Astroboa nuda) commonly found at night with its rays fully extended into areas of current. It removes plankton from the water column by filter feeding. During the d...

Georgette Douwma / Kaleidoscopic image of Basket star (Astroboa nuda) commonly found at night with its rays fully extended into areas of current. It removes plankton from the water column by filter feeding. During the d...

Linda Pitkin / Basket star (Astroboa nuda) close up of arm at night, The Barge (wreck), near Bluff Point, Gubal I., Gulf of Suez, Egypt, Red Sea.

Pascal Kobeh / Basket star (Astroboa nuda) at night, New Caledonia, Pacific Ocean.

Georgette Douwma / Composite image of echinoderms on black background. Top row from left: Featherstar (Crinoidea), Luzon starfish (Echinaster luzonicus), Mosaic cushion star (Halityle regularis). -Central row from...