Mudkip
Category: Mud Fish Pokémon
Type: Water
Ability: Torrent
Height: 1' 04"
Weight: 16.8 lbs.
Its large tail fin propels it through water with powerful acceleration. It is strong enough to be able to heft boulders in spite of its size.
Marshtomp
Category: Mud Fish Pokémon
Type: Water/Ground
Ability: Torrent
Height: 2' 04"
Weight: 61.7 lbs.
Mudkip can evolve to Marshtomp at LV16. By doing so, it gets a Ground sub-type which increases its proficiency with mud-based attacks. Living on muddy ground that provides poor footing has made its legs sturdy.
Swampert
Category: Mud Fish Pokémon
Type: Water/Ground
Ability: Torrent
Height: 4' 11"
Weight: 180.6 lbs.
At LV36, Marshtomp can evolve to Swampert. This Pokemon is characterized mainly by its powerful arms that is capable of breaking boulders in one blow. It can even swim while towing a large ship.
Type: Water/Ground
Classification: Mud Fish Pokémon
Height: 6'03" / 1.9m
Weight: 102.0kg.
Ability: Swift Swim
After Mega Evolving, all of Swampert's stats increase, where its Attack stat getting the highest boost and its Defense and SP Def stats following suit. It doesn't suffer with any stat decrease after Mega Evolving which definitely makes it a more powerful Pokemon after transformation. Its Swift Swim ability also doubles its Speed stat in the rain so Mega Evolving while there's an ongoing rain will ensure that you'll have a fast, powerful hitter with well-rounded stats.
Info and Image Source: pokemonrubysapphire.com
Gigabyte