Pokémon Fun Fact: When Golduck swims at full speed using its long, webbed limbs, its forehead somehow begins to glow

As part of its ongoing efforts to promote every single Pokémon out there, The Pokémon Company has shared special content dedicated to Golduck:

Did you know? Even fast-swimming fish Pokémon can be disabled by Golduck. It brings them to a standstill and seizes them. A professional swimmer, it can continue swimming for two days straight by waving its long tail skillfully.

Source: The Pokémon Company