After birth, its back swells and hardens into a shell. Powerfully sprays foam from its mouth. Shoots water at prey while in the water. Withdraws into its shell when in danger.
| HP | Attack | Defense | Special | Speed |
| 44 | 48 | 65 | 50 | 43 |
| Name | Type | Power | Accuracy | PP | Effect |
| Bide | Normal | -- | -- | 10 | User takes damage for two turns then strikes back double. |
| Bite | Normal | 60 | 100 | 25 | May cause flinching. |
| Blizzard | Ice | 110 | 70 | 5 | May freeze opponent. |
| Body Slam | Normal | 85 | 100 | 15 | May paralyze opponent. |
| Bubble | Water | 40 | 100 | 30 | May lower opponent's Speed. |
| BubbleBeam | Water | 65 | 100 | 20 | May lower opponent's Speed. |
| Counter | Fighting | -- | 100 | 20 | When hit by a Physical Attack, user strikes back with 2x power. |
| Dig | Ground | 80 | 100 | 10 | Digs underground on first turn, attacks on second. Can also escape from caves. |
| Double Team | Normal | -- | -- | 15 | Raises user's Evasiveness. |
| Double-Edge | Normal | 120 | 100 | 15 | User receives recoil damage. |
| Hydro Pump | Water | 110 | 80 | 5 | |
| Ice Beam | Ice | 90 | 100 | 10 | May freeze opponent. |
| Mega Kick | Normal | 120 | 75 | 5 | |
| Mega Punch | Normal | 80 | 85 | 20 | |
| Mimic | Normal | -- | -- | 10 | Copies the opponent's last move. |
| Rage | Normal | 20 | 100 | 20 | Raises user's Attack when hit. |
| Reflect | Psychic | -- | -- | 20 | Halves damage from Physical attacks for 5 turns. |
| Rest | Psychic | -- | -- | 5 | User sleeps for 2 turns, but user is fully healed. |
| Seismic Toss | Fighting | -- | 100 | 20 | Inflicts damage equal to user's level. |
| Skull Bash | Normal | 130 | 100 | 10 | Raises Defense on first turn, attacks on second. |
| Strength | Normal | 80 | 100 | 15 | |
| Submission | Fighting | 80 | 80 | 20 | User receives recoil damage. |
| Substitute | Normal | -- | -- | 10 | Uses HP to creates a decoy that takes hits. |
| Surf | Water | 90 | 100 | 15 | Hits all adjacent Pokémon. |
| Tackle | Normal | 40 | 100 | 35 | |
| Tail Whip | Normal | -- | 100 | 30 | Lowers opponent's Defense. |
| Take Down | Normal | 90 | 85 | 20 | User receives recoil damage. |
| Toxic | Poison | -- | 90 | 10 | Badly poisons opponent. |
| Water Gun | Water | 40 | 100 | 25 | |
| Withdraw | Water | -- | -- | 40 | Raises user's Defense. |