18highest level
Fisherman Barny fields 3 Pokémon at level 18 in S.S. Anne B1F Room 1.
This is around Cascade Badge — Vermilion City — Lv. 25 cap in the story — that page lists everything you can have caught by this point.
Types on this team: Water ×3Poison
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Tentacool Lv 18 WaterPoison | Ability Clear Body | Supersonic Constrict Whirlpool Acid | HP40Attack40Defense35Sp. Atk50Sp. Def100Speed70Total335 |
 | Staryu Lv 18 Water | Ability Natural Cure | Rapid Spin Camouflage Confusion Recover | HP30Attack45Defense55Sp. Atk70Sp. Def55Speed85Total340 |
 | Shellder Lv 18 Water | Ability Shell Armor | Tackle Withdraw Supersonic Aurora Beam | HP35Attack65Defense100Sp. Atk45Sp. Def25Speed40Total310 |
How to beat this team
Shared weaknesses. Electric hits 3 of 3, Grass hits 2 of 3, Ground hits 1 of 3, Psychic hits 1 of 3.
Level to be ready for. Lv 18 — Tentacool, the highest on the team.
Electric Pokémon you can have caught by this point. From this guide’s own encounter tables, by Cascade Badge — Vermilion City — Lv. 25 cap: