| Type | water |
| Category | Special |
| Power | 90 |
| Accuracy | 85 |
| PP | 10 |
| Introduced | Generation 3 |
Muddy Water deals damage and has a 30% chance of lowering the target's Accuracy by one stage.
Stats can be lowered to a minimum of -6 stages each. Pokémon with the abilities Keen Eye, Clear Body or White Smoke cannot have their accuracy reduced.
When a Pokémon is holding Waterium Z and uses its Z-Power, Muddy Water turns into Hydro Vortex and has base power 175.
| Ruby Sapphire Emerald | Attacks with muddy water. May lower accuracy. |
| FireRed LeafGreen | The user attacks with muddy water. It may also lower the foe’s accuracy. |
| Diamond Pearl Platinum HeartGold SoulSilver | The user attacks by shooting out muddy water. It may also lower the foe’s accuracy. |
| Black White Black 2 White 2 | The user attacks by shooting muddy water at the opposing team. It may also lower the targets’ accuracy. |
| X Y O.Ruby A.Sapphire | The user attacks by shooting muddy water at the opposing Pokémon. This may also lower their accuracy. |
| Sun Moon Ultra Sun Ultra Moon | The user attacks by shooting muddy water at the opposing Pokémon. This may also lower their accuracy. |
| Sword Shield B.Diamond S.Pearl | The user attacks by shooting muddy water at opposing Pokémon. This may also lower their accuracy. |
| English | Muddy Water |
|---|---|
| Spanish | Agua Lodosa |
| Italian | Fanghiglia |
| Japanese | だくりゅう (Dakuryū) |
| German | Lehmbrühe |
| French | Ocroupi |