List of Pokémon by weight/Weight-modifying effects

From Generation V onward, there are several effects that can modify a Pokémon weight in battle.
 * A Pokémon with the Ability or  functions as if it weighed twice or half the weight listed in the Pokédex, respectively.
 * A Pokémon holding a Float Stone functions as if it weighed half the weight listed in the Pokédex.
 * A Pokémon that uses has its weight decreased by 100 kg (220 lbs.).