Close-up : Spiral Pattern in Feather Star

Abstract beauty in the sea

Spiral Pattern in Feather Star
Umi-shida in Japanese. It means Sea Fern

Every diver knows that sea cucumber, sea urchin, starfish, and feather star, all belong to Echinodermata. Yes, I know also. Though, they have too much different shape each other. And each body is very fascinating.
For a while, let’s enjoy the beauty of various echinoderms.
The first is one is the spiral pattern of the Feather star.