Common
Experienced fishers say they try to catch Qwilfish in the brief moment that these Pokemon become defenseless just after launching poisonous spikes.
Pokémon · Basic · HP 90
If this Pokémon is in the Active Spot and is damaged by an attack from your opponent's Pokémon (even if this Pokémon is Knocked Out), the Attacking Pokémon is now Poisoned.
If your opponent's Active Pokémon is Poisoned, this attack does 50 more damage.