27highest level
Levels shown are Normal mode: -3 on Easy, +3 on Challenge.
Fought at Route 19.
This is around Marsh Badge — the sea routes and Cinnabar Island in the story — that page lists everything you can have caught by this point.
Types on this team: Water ×5Poison ×3
| Pokémon | Moves | |
|---|---|---|
 | Tentacool Lv 27 · Clear Body | Supersonic Constrict Acid Bubble Beam |
| Tentacool Lv 27 · Clear Body | Supersonic Constrict Acid Bubble Beam |
 | Staryu Lv 27 · Illuminate | Rapid Spin Recover Camouflage Swift |
 | Horsea Lv 27 · Swift Swim | Bubble Smokescreen Leer Water Gun |
 | Tentacruel Lv 27 · Clear Body | Supersonic Constrict Acid Bubble Beam |