English card reference
Weakness: Lightning +20
Attacks
Swim30
If your opponent has any Water Energy attached to any of his or her Pokémon, you may do 30 damage to any 1 Benched Pokémon instead. (Don't apply Weakness and Resistance for Benched Pokémon.)
Water Slide40+
Cost: Water, Colorless
You may move all Energy cards attached to Golduck to 1 of your Benched Pokémon. If you do, this attack does 40 damage plus 20 more damage.
It is seen swimming dynamically and elegantly using its well-developed limbs and flippers.
