<i>Protopterus sp.</i>
taken by Flickr user <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/frank-wouters/">Belgianchoclate</a>
CC BY 2.0
<a rel="nofollow" class="external autonumber" href="https://www.flickr.com/photos/frank-wouters/51161000/in/set-72157594326253590/">[1]</a>