| Type | water | 
| Category | Special | 
| Power | 65 | 
| Accuracy | 85 | 
| PP | 10 | 
| Introduced | Generation 2 | 
Octazooka deals damage and has a 50% 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, Octazooka turns into Hydro Vortex and has base power 120.
| Gold Silver Crystal | An attack that may reduce accuracy. | 
| Ruby Sapphire Emerald | Fires a lump of ink to damage and cut accuracy. | 
| FireRed LeafGreen | Ink is blasted in the foe’s face or eyes to damage and lower accuracy. | 
| Diamond Pearl Platinum HeartGold SoulSilver | The user attacks by spraying ink in the foe’s face or eyes. It may also lower the target’s accuracy. | 
| Black White Black 2 White 2 | The user attacks by spraying ink in the target’s face or eyes. It may also lower the target’s accuracy. | 
| X Y O.Ruby A.Sapphire | The user attacks by spraying ink in the target’s face or eyes. This may also lower the target’s accuracy. | 
| Sun Moon Ultra Sun Ultra Moon | The user attacks by spraying ink in the target’s face or eyes. This may also lower the target’s accuracy. | 
| Sword Shield B.Diamond S.Pearl | The user attacks by spraying ink in the target’s face or eyes. This may also lower the target’s accuracy. | 
| English | Octazooka | 
|---|---|
| Spanish | Pulpocañón | 
| Italian | Octazooka | 
| Japanese | オクタンほう (Okutank Hō) | 
| German | Octazooka | 
| French | Octazooka |