Stichopus herrmanni. Lizard Island, Australia.
<a rel="nofollow" class="external text" href="https://picasaweb.google.com/111831854485038517567">François Michonneau</a>
CC BY 3.0
<a rel="nofollow" class="external text" href="https://picasaweb.google.com/111831854485038517567/Holothuroidea#5312422392784061042">dsc_2231.jpg</a>