Lives close to water. Its long tail is ridged with a fin which is often mistaken for a mermaid's. Its cell structure is similar to water molecules. It will melt away and become invisible in water.
| Name | Type | Power | Accuracy | PP | Effect |
| Acid Armor | Poison | -- | -- | 20 | Sharply raises user's Defense. |
| Aurora Beam | Ice | 65 | 100 | 20 | May lower opponent's Attack. |
| 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. |
| BubbleBeam | Water | 65 | 100 | 20 | May lower opponent's Speed. |
| Double Team | Normal | -- | -- | 15 | Raises user's Evasiveness. |
| Double-Edge | Normal | 120 | 100 | 15 | User receives recoil damage. |
| Haze | Ice | -- | -- | 30 | Resets all stat changes. |
| Hydro Pump | Water | 110 | 80 | 5 | |
| Hyper Beam | Normal | 150 | 90 | 5 | User must recharge next turn. |
| Ice Beam | Ice | 90 | 100 | 10 | May freeze opponent. |
| Mimic | Normal | -- | -- | 10 | Copies the opponent's last move. |
| Mist | Ice | -- | -- | 30 | User's stats cannot be changed for a period of time. |
| Quick Attack | Normal | 40 | 100 | 30 | User attacks first. |
| 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. |
| Sand-Attack | Ground | -- | 100 | 15 | Lowers opponent's Accuracy. |
| Skull Bash | Normal | 130 | 100 | 10 | Raises Defense on first turn, attacks on second. |
| Substitute | Normal | -- | -- | 10 | Uses HP to creates a decoy that takes hits. |
| Surf | Water | 90 | 100 | 15 | Hits all adjacent Pokémon. |
| Swift | Normal | 60 | -- | 20 | Ignores Accuracy and Evasiveness. |
| 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 |