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#091 Cloyster

official Cloyster artwork by Ken Sugimori

Quick facts

Name Cloyster
Type WaterIce
Species Bivalve Pokémon
Height 1.5 m (4' 11")
Weight 132.5 kg (292.1 lbs)
Catch rate 60

Cloyster's description

Cloyster is a Water- / Ice-type Pokémon introduced in Gen 1 and has the National Dex number #091. The Pokédex classifies it as the Bivalve Pokémon.

Cloyster's name in

Chinese (T / S) French German Japanese Korean
파르셀 (Pareusel) Crustabri Austos パルシェン (Parshen) 刺甲貝 / 刺甲贝 (Cìjiǎbèi)

Cloyster's resistances & weaknesses

WaterElectricGrassIceFightingRock
x ½x 2x 2​x ¼x 2x 2

Cloyster's rearing

Training

Experience Growth Slow
Base Happiness 50
EV yield 2 Defense

Breeding

Gender ratio 50%50%
Egg Group(s) Water 3
Egg Cycles 20 (approx. 5120 steps)

Cloyster's abilities

1st Ability 2nd Ability Hidden Ability
Shell Armor Skill Link Overcoat

Cloyster's base stats

Stats Lv. 50 Lv. 100
Min Max Min Max
HP 50
110 210 157 304
Attack 95
90 175 161 317
Defense 180
166 328 255 504
Sp. Atk 85
81 157 150 295
Sp. Def 45
45 85 106 207
Speed 70
67 130 134 262
Total 525

Minimum stats are calculated with 0 EVs, 0 IVs, and (if applicable) a hindering nature. Maximum stats are calculated with 252 EVs, 31 IVs, and (if applicable) a helpful nature.

Cloyster's evolutions

use Water Stone

Cloyster's Pokédex entries

Gen Game Description
1Red, BlueWhen attacked, it launches its horns in quick volleys. Its innards have never been seen.
1YellowFor protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
1StadiumIts shell is so hard, it can even withstand a bomb. No one has ever seen what is inside its shell.
2GoldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.
2SilverCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
2CrystalEven a missile can't break the spikes it uses to stab opponents. They're even harder than its shell.
2Stadium 2Once it slams its shell shut, it is impossible to open, even by those with superior strength.
3Ruby, SapphireCloyster is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This Pokémon shoots spikes from its shell using the same system.
3EmeraldIt swims in the sea by swallowing water, then jetting it out toward the rear. The Cloyster shoots spikes from its shell using the same system.
3FireRedIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
3LeafGreenWhen attacked, it launches its horns in quick volleys. Its innards have never been seen.
4Diamond, Pearl, PlatinumIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
4HeartGoldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.
4SoulSilverCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
5Black, White, Black 2, White 2It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
6XCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
6YIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
6Omega Ruby, Alpha SapphireCloyster is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This Pokémon shoots spikes from its shell using the same system.
7SunIts hard shell cannot be shattered—not even by a bomb. The contents of the shell remain unknown.
7MoonExcavation of the tombs of ancient hunting tribes has turned up many spears tipped with spikes that had fallen off this Pokémon's shell.
7Ultra SunIf areas of Cloyster's very hard shell get damaged, those areas swell, gradually growing into large sharp spikes.
7Ultra MoonSlowpoke tails are its favorite food. It has even been known to come up on land to look for Slowpoke from time to time.
7Let's Go, Pikachu!, Let's Go, Eevee!For protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
8SwordIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
8ShieldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.