
1) Mythological rodent
Found on
https://www.crosswordclues.com/clue/afanc

The Afanc (ˈavank, sometimes also called Addanc, ˈaðank) is a lake monster from Welsh mythology. Its exact description varies; it is described variously as resembling a crocodile, beaver or dwarf-like creature, and is sometimes said to be a demon. The lake in which it dwells also varies; it is variously said to live in Llyn Llion, Llyn Barfog, ...
Found on
http://en.wikipedia.org/wiki/Afanc

Welsh Mythology) - A lake monster who is sort of like a crocodile, beaver or a dwarf.
Found on
https://www.tor.com/2012/08/13/sea-monsters-a-z/
No exact match found.