39highest level
This is around Beat Giovanni — Viridian City Gym, badge 8 in the story — that page lists everything you can have caught by this point.
Types on this team: Ground ×4Poison ×2Rock
| Pokémon | Moves | |
|---|---|---|
 | Sandslash Lv 37 · Sand Veil | Slash Swift Sand Attack Poison Sting |
| Sandslash Lv 37 · Sand Veil | Slash Swift Sand Attack Poison Sting |
 | Rhyhorn Lv 38 | Take Down Rock Blast Fury Attack Scary Face |
 | Nidorino Lv 39 | Fury Attack Horn Attack Poison Sting Double Kick |
 | Nidoking Lv 39 | Thrash Double Kick Poison Sting Focus Energy |