65level cap
Koga (rematch) fields 6 Pokémon between level 64 and level 65 in Fuchsia City Gym.
This is around Beat the Elite Four and the Champion in the story — that page lists everything you can have caught by this point.
Types on this team: Poison ×6BugFlyingWater
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Golbat Lv 64 PoisonFlying | Fly Toxic Double Team Confuse Ray | HP75Attack80Defense70Sp. Atk75Sp. Def75Speed100Total475 | |
 | Muk Lv 64 Poison | Sludge Body Slam Mega Drain Minimize | HP105Attack105Defense75Sp. Atk85Sp. Def85Speed50Total505 | |
 | Tentacruel Lv 64 WaterPoison | Surf Sludge Blizzard Reflect | HP80Attack70Defense65Sp. Atk120Sp. Def120Speed100Total555 | |
 | Weezing Lv 65 Poison | Amnesia Fire Blast Thunderbolt Sludge | HP65Attack90Defense120Sp. Atk85Sp. Def85Speed60Total505 | |
 | Arbok Lv 64 Poison | Glare Earthquake Rock Slide Wrap | HP62Attack95Defense69Sp. Atk65Sp. Def65Speed90Total446 | |
 | Venomoth Lv 65 BugPoison | Double Team Sleep Powder Psychic Leech Life | HP70Attack75Defense60Sp. Atk95Sp. Def95Speed100Total495 |
How to beat this team
Shared weaknesses. Psychic hits 6 of 6, Ground hits 4 of 6, Electric hits 2 of 6, Rock hits 2 of 6.
Level to be ready for. Lv 65 — Weezing, the highest on the team.
Psychic Pokémon you can have caught by this point. From this guide’s own encounter tables, by Beat the Elite Four and the Champion: