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Cloyster

Back to Pokédex

Cloyster

#91 in the Kanto Pokédex • Bivalve Pokémon

Cloyster render

Normal

Shiny Cloyster render

Shiny

Pokédex entries

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.

Details

Types

WaterIce

Category

Bivalve Pokémon

Height

1.5 m (4'11")

Weight

132.5 kg (292.1 lbs)

National Pokédex

#0091

Pokédex

#91

Stats

Base stat spread shown as a hex chart and supporting stat bars.

Min

Max

HP

50

210

441

Attack

95

175

448

Defense

180

328

635

Sp. Atk

85

157

426

Sp. Def

45

85

338

Speed

70

130

393

Total

525

Ranges are for Level 100 before friendship stat boosts. Max assumes a beneficial nature, 200 AVs and 31 IVs; min assumes a hindering nature, 0 AVs and 0 IVs. Let’s Go has no EVs. Normal-rule link battles instead use Level 50 and 0 AVs.

It's Super Effective

Type-only matchups for Cloyster, sorted from worst weakness to best resistance. Battle conditions can change damage; Let’s Go has no abilities or held items.

Growth

Candy and leveling up increase Awakening Values, up to 200 per stat. Let’s Go has no EVs or breeding.
Pokédexes
Let’s Go Kanto #91
Stat training
AVs from Candy and leveling up; no EVs
Catch rate
60
Base Exp.
184
Gender
50% male
50% female

Evolution

Evolution requirements shown in a compact table or chain view.
PokémonRequiresEvolution
Shellder

Shellder

#90

Water StoneUse Water Stone
Cloyster

Cloyster

#91

Encounters

Known encounter locations for this Pokémon in this game.
Let's Go, Pikachu!
LocationMethodLevelChanceConditions

Seafoam Islands

Seafoam Islands (B3F)

Surfing in the overworld39-441%

Sea Skim is required to reach water spawns

Seafoam Islands

Seafoam Islands (B4F)

Surfing in the overworld39-441%

Sea Skim is required to reach water spawns

Fuchsia City

GO Park (Fuchsia City)

Pokémon GO transfer and GO Park recapture1-50-

Transfer an eligible Pokémon from Pokémon GO and recapture it in GO Park; level is its GO power-up level rounded down. One-way transfer; GO moves are replaced

Let's Go, Eevee!
LocationMethodLevelChanceConditions

Seafoam Islands

Seafoam Islands (B3F)

Surfing in the overworld39-441%

Sea Skim is required to reach water spawns

Seafoam Islands

Seafoam Islands (B4F)

Surfing in the overworld39-441%

Sea Skim is required to reach water spawns

Fuchsia City

GO Park (Fuchsia City)

Pokémon GO transfer and GO Park recapture1-50-

Transfer an eligible Pokémon from Pokémon GO and recapture it in GO Park; level is its GO power-up level rounded down. One-way transfer; GO moves are replaced

Moves

Moves this Pokémon learns naturally by reaching specific levels.
Class
Description
Evo.Spike CannonNormalPhysical2010015

Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row.

StartTackleNormalPhysical4010035

A physical attack in which the user charges and slams into the target with its whole body.

StartTwineedleBugPhysical2510020

The user damages the target twice in succession by jabbing it with two spikes. This may also poison the target.

StartLeerNormalStatus-10030

The user gives opposing Pokémon an intimidating leer that lowers the Defense stat.

StartWater GunWaterSpecial4010025

The target is blasted with a forceful shot of water.

StartWithdrawWaterStatus--40

The user withdraws its body into its hard shell, raising its Defense stat.

StartBarrierPsychicStatus--20

The user throws up a sturdy wall that sharply raises its Defense stat.

Machines

Moves this Pokémon can learn from Technical Machines in Pokémon Let's Go, Pikachu! & Eevee!
Class
Description
TM01HeadbuttNormalPhysical7010015

The user sticks out its head and attacks by charging straight into the target. This may also make the target flinch.

TM04TeleportPsychicStatus--20

The user switches places with a different Pokémon instantly, using telekinetic power.

TM05RestPsychicStatus--10

The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions.

TM07ProtectNormalStatus--10

Enables the user to protect itself from all attacks. Its chance of failing rises if it is used in succession.

TM08SubstituteNormalStatus--10

The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy.

TM09ReflectPsychicStatus--20

A wondrous wall of light is put up to reduce damage from physical attacks for five turns.

TM12FacadeNormalPhysical7010020

This attack move doubles its power if the user is poisoned, burned, or paralyzed.

TM26Poison JabPoisonPhysical8010020

The target is stabbed with a tentacle, arm, or the like steeped in poison. This may also poison the target.

TM27ToxicPoisonStatus-9010

A move that leaves the target badly poisoned. Its poison damage worsens every turn.

TM28Tri AttackNormalSpecial8010010

The user strikes with a simultaneous three-beam attack. This may also burn, freeze, or paralyze the target.

TM42Self-DestructNormalPhysical2001005

The user attacks everything around it by causing an explosion. The user faints upon using this move.

TM47SurfWaterSpecial9010015

The user attacks everything around it by swamping its surroundings with a giant wave.

TM48Hyper BeamNormalSpecial150905

The target is attacked with a powerful beam. The user can’t move on the next turn.

TM51BlizzardIceSpecial110705

A howling blizzard is summoned to strike opposing Pokémon. This may also leave the opposing Pokémon frozen.

TM55Ice BeamIceSpecial9010010

The target is struck with an icy-cold beam of energy. This may also leave the target frozen.

Learn these moves on the named pre-evolution in Let’s Go, then retain them when evolving. Individual options do not certify every four-move combination; earlier-generation imports and breeding are unavailable.
Learn before evolving
Class
Description
Shellder: level up; retain through evolution in Let’s Go13Ice ShardIcePhysical4010030

The user flash-freezes chunks of ice and hurls them at the target. This move always goes first.

Shellder: level up; retain through evolution in Let’s Go18SupersonicNormalStatus-5520

The user generates odd sound waves from its body that confuse the target.

Shellder: level up; retain through evolution in Let’s Go22ClampWaterPhysical358515

The target is clamped and squeezed by the user’s very thick and sturdy shell for four to five turns.

Shellder: level up; retain through evolution in Let’s Go27Aurora BeamIceSpecial6510020

The target is hit with a rainbow-colored beam. This may also lower the target’s Attack stat.

Shellder: level up; retain through evolution in Let’s Go40Shell SmashNormalStatus--15

The user breaks its shell, which lowers Defense and Sp. Def stats but sharply raises its Attack, Sp. Atk, and Speed stats.

Shellder: level up; retain through evolution in Let’s Go45Hydro PumpWaterSpecial110805

The target is blasted by a huge volume of water launched under great pressure.

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