Mexican salamander (7)
I believe the answer is:
axolotl
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mexican salamander</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for axolotl that I've seen before include "Mexican native" , "Type of salamander" , "amphibian" , "Mexican salamander - allot ox (anag)" , "Central American salamander - lax tool (anag)" .)