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Cloyster

Cloyster artwork by Ken Sugimori

Quick facts

National Dex No. 091
Type WaterIce

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

Shellder artwork by Ken Sugimori #090
Shellder
Water
Cloyster artwork by Ken Sugimori #091
Cloyster
Water / Ice

use Water Stone

Cloyster's Pokédex entries

Game Pokédex entry
RedWhen attacked, it launches its horns in quick volleys. Its innards have never been seen.
BlueWhen attacked, it launches its horns in quick volleys. Its innards have never been seen.
YellowFor protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
StadiumIts shell is so hard, it can even withstand a bomb. No one has ever seen what is inside its shell.
GoldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.
SilverCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
CrystalEven a missile can't break the spikes it uses to stab opponents. They're even harder than its shell.
Stadium 2Once it slams its shell shut, it is impossible to open, even by those with superior strength.
RubyCloyster 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.
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.
EmeraldIt 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.
Fire RedIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Leaf GreenWhen attacked, it launches its horns in quick volleys. Its innards have never been seen.
DiamondIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
PearlIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
PlatinumIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
HeartGoldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.
SoulSilverCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
BlackIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
WhiteIt fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
Black 2It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
White 2It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.
XCloyster that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
YIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Omega RubyCloyster 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.
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.
SunIts hard shell cannot be shattered—not even by a bomb. The contents of the shell remain unknown.
MoonExcavation of the tombs of ancient hunting tribes has turned up many spears tipped with spikes that had fallen off this Pokémon's shell.
Ultra SunIf areas of Cloyster's very hard shell get damaged, those areas swell, gradually growing into large sharp spikes.
Ultra MoonSlowpoke tails are its favorite food. It has even been known to come up on land to look for Slowpoke from time to time.
Let's Go PikachuFor protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
Let's Go EeveeFor protection, it uses its harder-than-diamonds shell. It also shoots spikes from the shell.
SwordIts shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
ShieldOnce it slams its shell shut, it is impossible to open, even by those with superior strength.