A doctorfish swimming around outside Puerto Morelos, Yucatan, Mexico. Picture taken during a Norwegian College of Fisheries Science, UiT, advanced course in marine ecology during January/February 2007.
<a href="//commons.wikimedia.org/wiki/User:Rex_shock" title="User:Rex shock">Rex shock</a> Richard A. Ingebrigtsen
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>