An axolotl (<i>Ambystoma mexicanum</i>) in the laboratories of the Monterrey Institute of Technology, Mexico City campus
<a href="//commons.wikimedia.org/wiki/User:David_Arqueas" title="User:David Arqueas">David Arqueas</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>