Encounter locations
| Region | Location | Method | Level |
|---|---|---|---|
| Kanto | Route 20 | Overworld swarmOnly while this swarm is active | — |
| Hoenn | Route 124 | Overworld swarmOnly while this swarm is active | — |
Check the Town Map to see which swarms are active.
This guide covers documented encounter tables and selected story events. Other scripted gifts or events may also award this Pokémon.
Natures
Randomly generated Pokémon can have any of the 25 natures. Twenty raise one stat by 10% and lower another by 10%. Five are neutral. HP stays the same.
View all 25 natures and stat effects
| Nature | Raises (+10%) | Lowers (−10%) |
|---|---|---|
| Hardy | — | — |
| Lonely | Attack | Defense |
| Brave | Attack | Speed |
| Adamant | Attack | Special Attack |
| Naughty | Attack | Special Defense |
| Bold | Defense | Attack |
| Docile | — | — |
| Relaxed | Defense | Speed |
| Impish | Defense | Special Attack |
| Lax | Defense | Special Defense |
| Timid | Speed | Attack |
| Hasty | Speed | Defense |
| Serious | — | — |
| Jolly | Speed | Special Attack |
| Naive | Speed | Special Defense |
| Modest | Special Attack | Attack |
| Mild | Special Attack | Defense |
| Quiet | Special Attack | Speed |
| Bashful | — | — |
| Rash | Special Attack | Special Defense |
| Calm | Special Defense | Attack |
| Gentle | Special Defense | Defense |
| Sassy | Special Defense | Speed |
| Careful | Special Defense | Special Attack |
| Quirky | — | — |
Stats and abilities
- HP
- 50
- Attack
- 95
- Defense
- 180
- Sp. Attack
- 85
- Sp. Defense
- 45
- Speed
- 70
Abilities · Shell Armor / Skill Link
Hidden ability · Overcoat
Size · 1.5 m · 132.5 kg
Evolution and forms
- From Shellder · Use Water Stone
Level-up moves
View level-up moves for Cloyster
| Level | Move |
|---|---|
| 1 | Icicle Crash |
| 1 | Shell Smash |
| 1 | Ice Shard |
| 1 | Toxic Spikes |
| 1 | Iron Defense |
| 1 | Whirlpool |
| 1 | Spikes |
| 1 | Protect |
| 1 | Withdraw |
| 1 | Aurora Beam |
| 1 | Ice Beam |
| 1 | Hydro Pump |
| 1 | Water Gun |
| 1 | Supersonic |
| 1 | Leer |
| 1 | Tackle |
| 5 | Razor Shell |