| Hydro Cannon | Details | Level Up | TM | Move Tutor | Egg Move |
| Gen IX Dex | Gen VIII Dex | Gen VII Dex | Gen VI Dex | Gen V Dex |
| Gen IV Dex | Gen III Dex |
| Attack Name | Battle Type | Contest Type |
| Hydro Cannon |  |  |
| Power Points | Base Power | Accuracy |
| 5 | 150 | 90 |
| Battle Effect: Powerful, but leaves the user immobile the next turn. |
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| Secondary Effect: User cannot attack on the next turn. | Effect Rate: -- % |
|
| TM # | Appeal Points | Jam Points |
| None | 
| 
|
| Contest Effect: Jams the others, and misses one turn of appeals. |
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| BrightPowder | King's Rock | Physical Contact |
| Yes | Yes | No |
| Battle Palace Style | Battle Arena | Pokémon Hit in Battle |
| Attack | +1 | Selected target |
| Picture Example of Hydro Cannon | ||
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Pokémon That Learn Hydro Cannon By Level Up in Ruby/Sapphire/Emerald/Colosseum/XD:
| No. | Pic | Name | Type 1 | Type 2 |
Pokémon That Learn Hydro Cannon By Level Up in Fire Red/Leaf Green:
| No. | Pic | Name | Type 1 | Type 2 |
Pokémon That Learn Hydro Cannon By Breeding:
| No. | Pic | Name | Type 1 | Type 2 |
Pokémon That Learn Hydro Cannon By A Special Way:
| No. | Pic | Name | Type 1 | Type 2 |
| #007 |  | Squirtle |  |  |
| #008 |  | Wartortle | | |
| #009 |  | Blastoise | | |
| #158 |  | Totodile | | |