Carvanha locations — where to catch

In Lumiose City (Legends: Z-A)

• Wild Zone 10 — Walk

In Sinnoh (Diamond, Pearl & Platinum)

• Great Marsh — Super Rod

In Johto & Kanto (HeartGold & SoulSilver)

• Pokéwalker — Walk

In Hoenn (Ruby, Sapphire & Emerald)

• Route 118 — Good Rod, Super Rod
• Route 119 — Good Rod, Super Rod

Other games (8)

• Brilliant Diamond / Shining Pearl (Gen 8): Great Marsh
• Sword / Shield — The Isle of Armor (Gen 8): Training Lowlands
• Ultra Sun / Ultra Moon (Gen 7): Ancient Poni Path, Poni Breaker Coast
• Omega Ruby / Alpha Sapphire (Gen 6): Route 118, Route 119
• X / Y (Gen 6): Kalos Route 22
• Black 2 / White 2 (Gen 5): Village Bridge
• Black / White (Gen 5): Village Bridge
• XD (Gen 3): Cipher Lab

Carvanha — full Pokédex entry