Cloyster
#91 in the Let's Go Kanto Pokédex • Bivalve Pokémon
Cloyster
#91 in the Let's Go Kanto Pokédex • Bivalve Pokémon
Stats
Min
Max
HP
50
210
304
Attack
95
175
317
Defense
180
328
504
Sp. Atk
85
157
295
Sp. Def
45
85
207
Speed
70
130
262
Total
525
Ranges are for Level 100. Max assumes a beneficial nature, 252 EVs, and 31 IVs; min assumes a hindering nature, 0 EVs, and 0 IVs.
Growth
| Pokédexes | Let’s Go Kanto #91 |
|---|---|
| EV yield | 2 Def |
| Catch rate | 60 |
| Base Exp. | 184 |
| Gender | 50% male 50% female |
Lore

Let's Go, Pikachu!
For protection, it uses its harder-than-diamond shell. It also shoots spikes from the shell.

Let's Go, Eevee!
For protection, it uses its harder-than-diamond shell. It also shoots spikes from the shell.
Evolution
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Shellder #90 | Use Water Stone | ![]() Cloyster #91 |
Encounters
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Seafoam Islands Seafoam Islands (B3F) | Surfing in the overworld | 39-44 | 100% | - |
Seafoam Islands Seafoam Islands (B4F) | Surfing in the overworld | 39-44 | 100% | - |
| Location | Method | Level | Chance | Conditions |
|---|---|---|---|---|
Seafoam Islands Seafoam Islands (B3F) | Surfing in the overworld | 39-44 | 100% | - |
Seafoam Islands Seafoam Islands (B4F) | Surfing in the overworld | 39-44 | 100% | - |
Moves
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| Start | Spike Cannon | ![]() | Physical | 20 | 100 | 15 | Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row. |
| Start | Tackle | ![]() | Physical | 40 | 100 | 35 | A physical attack in which the user charges and slams into the target with its whole body. |
| Start | Twineedle | ![]() | Physical | 25 | 100 | 20 | The user damages the target twice in succession by jabbing it with two spikes. This may also poison the target. |
| Start | Leer | ![]() | Status | - | 100 | 30 | The user gives opposing Pokémon an intimidating leer that lowers the Defense stat. |
| Start | Water Gun | ![]() | Special | 40 | 100 | 25 | The target is blasted with a forceful shot of water. |
| Start | Withdraw | ![]() | Status | - | - | 40 | The user withdraws its body into its hard shell, raising its Defense stat. |
| Start | Barrier | ![]() | Status | - | - | 20 | The user throws up a sturdy wall that sharply raises its Defense stat. |
| Start | Spike Cannon | ![]() | Physical | 20 | 100 | 15 | Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row. |
Machines
| Class | Description | ||||||
|---|---|---|---|---|---|---|---|
| TM01 | Headbutt | ![]() | Physical | 70 | 100 | 15 | The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch. |
| TM04 | Teleport | ![]() | Status | - | - | 20 | The user switches places with a different Pokémon instantly, using telekinetic power. |
| TM05 | Rest | ![]() | Status | - | - | 5 | The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. |
| TM07 | Protect | ![]() | Status | - | - | 10 | Enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession. |
| TM08 | Substitute | ![]() | Status | - | - | 10 | The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. |
| TM09 | Reflect | ![]() | Status | - | - | 20 | A wondrous wall of light is put up to reduce damage from physical attacks for five turns. |
| TM12 | Facade | ![]() | Physical | 70 | 100 | 20 | This attack move doubles its power if the user is poisoned, burned, or paralyzed. |
| TM26 | Poison Jab | ![]() | Physical | 80 | 100 | 20 | The target is stabbed with a tentacle, arm, or the like steeped in poison. This may also poison the target. |
| TM27 | Toxic | ![]() | Status | - | 90 | 10 | A move that leaves the target badly poisoned. Its poison damage worsens every turn. |
| TM28 | Tri Attack | ![]() | Special | 80 | 100 | 10 | The user strikes with a simultaneous three-beam attack. This may also burn, freeze, or paralyze the target. |
| TM42 | Self-Destruct | ![]() | Physical | 200 | 100 | 5 | The user attacks everything around it by causing an explosion. The user faints upon using this move. |
| TM47 | Surf | ![]() | Special | 90 | 100 | 15 | The user attacks everything around it by swamping its surroundings with a giant wave. |
| TM48 | Hyper Beam | ![]() | Special | 150 | 90 | 5 | The target is attacked with a powerful beam. The user can’t move on the next turn. |
| TM51 | Blizzard | ![]() | Special | 110 | 70 | 5 | A howling blizzard is summoned to strike opposing Pokémon. This may also leave the opposing Pokémon frozen. |
| TM55 | Ice Beam | ![]() | Special | 90 | 100 | 10 | The target is struck with an icy-cold beam of energy. This may also leave the target frozen. |










































Physical
Status
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