I always assumed it was based on the Mudskipper (https://en.wikipedia.org/wiki/Mudskipper https://en.wikipedia.org/wiki/Mudskipper) but can see a bit of both in

I always assumed it was based on the Mudskipper (https://en.wikipedia.org/wiki/Mudskipper https://en.wikipedia.org/wiki/Mudskipper) but can see a bit of both in Mudkip :)