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National No. 91

Cloyster

Bivalve Pokémon

Water
Ice
Generation I
1.5 m Size
132.5 kg Weight
3 Abilities
#0091
Cloyster

Description

Once it slams its shell shut, it is impossible to open, even by those with superior strength.

Abilities

Ability 1

Shell Armor

Protects against critical hits.

Ability 2

Skill Link

Extends two-to-five-hit moves and Triple Kick to their full length every time.

Hidden Ability

Overcoat

Protects against damage from weather.

Technical Specs

Physical Characteristics
Size 1.5 m / 4'92"
Weight 132.5 kg / 292.11 lbs
Color Purple
Body
Ball Pokémon consisting of only a head
Habitat
sea
Training & Growth
Base happiness 70
Base experience 184
Maximum Experience 1.250.000
Experience Rated as slow
Breeding & Reproduction
Egg Groups Water 3
Base Egg Cycle 20
Steps to Hatch Egg hatches with 5120 Steps
Gender / Breeding Male: 50% / Female: 50%
Catch Rates
Base Catch Rate 60
Catch Chances
Poké Ball Poké Ball

has a 14.8% capture chance

Great Ball Great Ball

has a 20.1% capture chance

Ultra Ball Ultra Ball

has a 24.9% capture chance

Calculation for the most recent games, assuming the Pokémon has 100% HP, no status condition, and no critical capture.

Form and origin
Origin Generation I / Kanto
Available since Red / Green (Japan) · Generation I
Form Cloyster
Form type Default form
Names in other languages

Official names and readings used across the games' different localizations.

English Cloyster
French Crustabri
German Austos
Spanish Cloyster
Italian Cloyster
Japanese パルシェン Parshen
Korean 파르셀 Parsell
Chinese 刺甲貝 / 刺甲贝 Titgaapbui · Tiějiǎbèi

History across games

See only information that changed between generations and mechanics from classic games.

Latest official description

Once it slams its shell shut, it is impossible to open, even by those with superior strength.

34 descriptions 3 historical periods Classic game data

Held Items (Wild Drops)

These items have a chance of being found with this Pokémon in the wild:

Pearl
Pearl
50% · Ruby, Sapphire, Emerald, FireRed, LeafGreen, Diamond, Pearl, Platinum, HeartGold, SoulSilver, Black, White, Black 2, White 2, X, Y, Omega Ruby, Alpha Sapphire, Sun, Moon, Ultra Sun, Ultra Moon, Sword, Shield
Big Pearl
Big Pearl
5% · Ruby, Sapphire, Emerald, FireRed, LeafGreen, Diamond, Pearl, Platinum, HeartGold, SoulSilver, Black, White, Black 2, White 2, X, Y, Omega Ruby, Alpha Sapphire, Sun, Moon, Ultra Sun, Ultra Moon, Sword, Shield

Evolutionary Chain

Shellder
Shellder
Nº090
Cloyster
Cloyster
Nº091 Shellder · Water Stone

Breeding Compatibility ("Breeds With")

These Pokémon share the same egg group and can breed with the selected one:

Bases from Cloyster

Status
Base
EVs
Progress
Lv 50 (Min - Max)
Lv 100 (Min - Max)
Life
50
-
110 - 157
210 - 304
Attack
95
-
90 - 161
175 - 317
Defense
180
+2 EV
166 - 255
328 - 504
Sp Attack.
85
-
81 - 150
157 - 295
Defense Esp.
45
-
45 - 106
85 - 207
Speed
70
-
67 - 134
130 - 262
Total
525
+2 EV
-
-
Life
50
Lv 50: 110 - 157 Lv 100: 210 - 304
At.
95
Lv 50: 90 - 161 Lv 100: 175 - 317
Df. +2 EV
180
Lv 50: 166 - 255 Lv 100: 328 - 504
At. Esp.
85
Lv 50: 81 - 150 Lv 100: 157 - 295
Df. Esp.
45
Lv 50: 45 - 106 Lv 100: 85 - 207
Vel.
70
Lv 50: 67 - 134 Lv 100: 130 - 262
Total +2 EV
525

Values calculated for the most recent games. The minimum assumes 0 IVs, 0 EVs, and a hindering Nature; the maximum assumes 31 IVs, 252 EVs, and a beneficial Nature. HP is not affected by Nature. The EVs column shows the species' EV yield.

Moves

Withdraw No.110 · Level up
Type Water
Class Status Moves
Learning
Level 1
PP 40
Attack -
Hit -
Supersonic No.48 · Level up
Type Normal
Class Status Moves
Learning
Level 1
PP 20
Attack -
Hit 55%
Clamp No.128 · Level up
Type Water
Class Physical Moves
Learning
Level 1
PP 15
Attack 35
Hit 85%
Aurora Beam No.62 · Level up
Type Ice
Class Special Moves
Learning
Level 1
PP 20
Attack 65
Hit 100%
Spike Cannon No.131 · Level up
Type Normal
Class Physical Moves
Learning
Level up
Latest record
PP 15
Attack 20
Hit 100%
Protect No.182 · Level up
Type Normal
Class Status Moves
Learning
Level 1
PP 10
Attack -
Hit -
Spikes No.191 · Level up
Type Terrestrial
Class Status Moves
Learning
Level 1
Latest record
PP 20
Attack -
Hit -
Toxic Spikes No.390 · Level up
Type Poison
Class Status Moves
Learning
Level 1
PP 20
Attack -
Hit -
Icicle Crash No.556 · Level up
Type Ice
Class Physical Moves
Learning
Level 1
Latest record
PP 10
Attack 85
Hit 90%
Hydro Pump No.56 · Level up
Type Water
Class Special Moves
Learning
Level 1
PP 5
Attack 110
Hit 80%
Shell Smash No.504 · Level up
Type Normal
Class Status Moves
Learning
Level 1
PP 15
Attack -
Hit -
Barrier No.112 · Level up
Type Psychic
Class Status Moves
Learning
Level 1
PP 20
Attack -
Hit -
Twineedle No.41 · Level up
Type Insect
Class Physical Moves
Learning
Level 1
PP 20
Attack 25
Hit 100%
Tackle No.33 · Level up
Type Normal
Class Physical Moves
Learning
Level 1
PP 35
Attack 40
Hit 100%
Water Gun No.55 · Level up
Type Water
Class Special Moves
Learning
Level 1
PP 25
Attack 40
Hit 100%
Leer No.43 · Level up
Type Normal
Class Status Moves
Learning
Level 1
PP 30
Attack -
Hit 100%
Icicle Spear No.333 · Level up
Type Ice
Class Physical Moves
Learning
Level up
Latest record
PP 30
Attack 25
Hit 100%
Razor Shell No.534 · Level up
Type Water
Class Physical Moves
Learning
Level 5
Latest record
PP 10
Attack 75
Hit 95%
Iron Defense No.334 · Level up
Type Metallic
Class Status Moves
Learning
Level 1
PP 15
Attack -
Hit -
Ice Beam No.58 · Level up
Type Ice
Class Special Moves
Learning
Level 1
PP 10
Attack 90
Hit 100%
Ice Shard No.420 · Level up
Type Ice
Class Physical Moves
Learning
Level 1
PP 30
Attack 40
Hit 100%
Whirlpool No.250 · Level up
Type Water
Class Special Moves
Learning
Level 1
PP 15
Attack 35
Hit 85%