Mudkip is a pure water type. It doesn't get its ground typing until evolving into Marshtomp and Swampert.
A water Pokemon probably the water starter Mudkip
The starters are: torchic (fire) treecko (grass) mudkip (water) by the way, Torchic becomes part-fighting type when it evolves, and mudkip becomes water-ground type when it evolves.
I Think Mudkip is because not only is he water, he is also ground, so he learns move to defend itself against thunder
Treecko (Grass) Mudkip (Water)His evolution gains (Water + Ground) Torchic (Fire)His evolution gains (Fire + Fight)
Mudkip had its debut in Pokemon Ruby and Sapphire.
at the pokemon lab
The starting pokemon for pokemon ruby, sapphire, and emerald are all Torchic, Mudkip, and Treeko. Irepeat, Torchic, Mudkip, and Treeko.
mudkip
Torchic, Mudkip, and Treecko.
Mudkip, Treeko or Torchic
After fixing the Network Machine on One Island, you can trade a Mudkip from Pokemon Ruby or Sapphire. You can't catch a Mudkip in Pokemon FireRed.
Mudkip is available as a starter pokemon in more than one games. They are Pokemon Ruby, Pokemon Sapphire, Pokemon Emerald, Pokemon Omega Ruby and Pokemon Alpha Sapphire.