60highest level
This is around Thunder Badge — Rock Tunnel to Celadon City in the story — that page lists everything you can have caught by this point.
Types on this team: FlyingWater
| Pokémon | Moves | |
|---|---|---|
 | Gyarados Lv 60 · Intimidate · Leftovers Postgame. Its level is set to match your lead Pokémon when the fight starts; the stored level is shown · Modest nature · EVs 4/0/252/0/0/252 | Thunder Rain Dance Substitute Torment |