Swift Swim is an ability introduced in Generation 3. So far, 3 Pokémon have this ability.
During rain, the Speed stat of the bearer is doubled.
Outside of battle
Swift Swim has no effect outside of battle.
Pokémon with Swift Swim
|#||Pokémon||Types||First Ability||Second Ability||Hidden Ability|
|Merkid||Merkid||Water||Water Veil||Swift Swim||None|
|Nomoguan||Nomoguan||Water||Ground||Water Veil||Swift Swim||None|