Two Pacific double-saddle butterflyfish, Chaetodon ulietensis amongst a backdrop of corals at Flynn Reef, Tennis Courts dive site. Part of the Great Barrier Reef Marine Park.
<a href="//commons.wikimedia.org/w/index.php?title=User:Wisseeyy&amp;action=edit&amp;redlink=1" class="new" title="User:Wisseeyy (page does not exist)">Wise Hok Wai Lum</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>