60highest level
Fought at Route 24.
This is around Boulder Badge — Mt. Moon and Cerulean City in the story — that page lists everything you can have caught by this point.
Types on this team: BugPoison
| Pokémon | Moves | |
|---|---|---|
 | Venonat Lv 60 · Compoundeyes · Chesto Berry Postgame. Its level is set to match your lead Pokémon when the fight starts; the stored level is shown · Modest nature · EVs 4/0/0/0/252/252 | Psychic Disable Thief Rest |