Reckless(Red Striped Form in all games & Blue-Striped Form in Black & White): The power of moves that have recoil damage is increased by 20%. Rock Head(Blue-Striped Form - White Driftveil Trade + Black 2 & White 2): Does not receive recoil damage from recoil-causing damages. Adaptability(Both Forms): Increases the Same Type Attack Bonus from *1.5 to *2. Dream World Ability: Mold Breaker(Both Forms): The Pokémon's moves are not affected by foe’s abilities during battle
Basculin's form cannot be changed and is dependant on how it was when it appeared. Its Red-Striped Form is found with Good Rod in Y and Super Rod in X while Blue-Striped Form is found with Good Rod in X and Super Rod in Y.