Thanks to Kassandra now I know this Feather starfish - it is beautiful.
Dennis Rodman fish.
Hawaiian sea slug (Haminoea cymbalum) - This species has a strongly inflated transparent shell without spiral striae. The animal is bluish-green with bright orange spots. Larger orange spots bordered in white show through the shell.
reef tank design ideas | Aquascape Idea - Marine Aquariums South Africa
Top Reef Tank Aquascapes | Current Tank Info: 30x30x18" 70 gallon Cube.....Bonsai Inspired Open ...
Reef Aquascaping - Page 2