45level cap
Alan (party 1: your first visit) fields 6 Pokémon between level 42 and level 45 in Acropora Gym.
This is around Acropora City — Alan and the Glacier Badge in the story — that page lists everything you can have caught by this point.
Types on this team: Ground ×5Poison ×2NormalRockSteel
| Pokémon | Ability & item | Moves | Base stats | |
|---|---|---|---|---|
 | Sandslash Lv 42 Ground | Held item Coarse Charm | Earthquake Rock Slide Swords Dance Spikes | HP75Attack100Defense110Sp. Atk45Sp. Def55Speed65Total450 |
 | Rhydon Lv 42 GroundRock | Held item Soft Sand | Earthquake Rock Slide Counter Surf | HP105Attack130Defense120Sp. Atk45Sp. Def70Speed40Total510 |
 | Kangaskhan Lv 42 Normal | Held item Silk Scarf | Earthquake Rock Slide Strength Crunch | HP105Attack95Defense90Sp. Atk60Sp. Def90Speed90Total530 |
 | Nidoking Lv 44 PoisonGround | Held item X Spcl.atk | Earthquake Flamethrower Ice Beam Thunderbolt | HP81Attack102Defense77Sp. Atk85Sp. Def75Speed85Total505 |
 | Nidoqueen Lv 44 PoisonGround | Held item Leftovers | Earthquake Rock Smash Crunch Sludge Bomb | HP90Attack92Defense87Sp. Atk75Sp. Def85Speed76Total505 |
 | Steelix Lv 45 SteelGround | Held item Gold Berry | Earthquake Iron Tail Coil Substitute | HP75Attack125Defense200Sp. Atk55Sp. Def65Speed30Total550 |
How to beat this team
Shared weaknesses. Water hits 5 of 6, Ground hits 4 of 6, Ice hits 4 of 6, Fighting hits 3 of 6.
Level to be ready for. Lv 45 — Steelix, the highest on the team.
Water Pokémon you can have caught by this point. From this guide’s own encounter tables, by Acropora City — Alan and the Glacier Badge: