Fishers detest this troublesome Pokémon because it sprays poison from its spines, getting it everywhere. A different form of Qwilfish lives in other regions.
Hidden Ability
Contact with the Pokémon may poison the attacker.
Boosts the Pokémon's Speed stat in rain.
When the Pokémon enters a battle, it intimidates opposing Pokémon and makes them cower, lowering their Attack stats.