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Cloyster

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Cloyster in Pokémon Ultra Sun & Ultra Moon

#139 in the Ultra Sun & Ultra Moon Pokédex • Bivalve Pokémon

Cloyster in the National Pokédex
Cloyster sprite

Normal

Shiny Cloyster sprite

Shiny

Pokédex entries

Ultra Sun

If areas of Cloyster’s very hard shell get damaged, those areas swell, gradually growing into large sharp spikes.

Ultra Moon

Slowpoke tails are its favorite food. It has even been known to come up on land to look for Slowpoke from time to time.

Pokémon details

Types

WaterIce

Category

Bivalve Pokémon

Height

1.5 m (4'11")

Weight

132.5 kg (292.1 lbs)

National Pokédex

#0091

Pokédex

#139

Cloyster in Other Games

National Dex page

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

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.

Type-only matchups for Cloyster, sorted from worst weakness to best resistance. Abilities, held items and battle conditions can change the damage taken.

EV yield, catch rate, and experience details for this Pokémon.
Pokédexes
Alola #139Melemele #139
EV yield
2 Def
Catch rate
60
Base Exp.
184

Egg groups, gender ratio, and hatching details for this Pokémon.
Egg groups
Gender
50% male
50% female
Egg cycles
20

Evolution requirements shown in a compact table or chain view.

Items this Pokémon may hold when encountered in the wild.
Ultra Moon
5%
Ultra Sun
5%
Ultra Moon
50%
Ultra Sun
50%

Moves this Pokémon learns naturally by reaching specific levels.
Class
StartSupersonic

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

Normal-5520
StartHydro Pump

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

Water110805
StartAurora Beam

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

Ice6510020
StartWithdraw

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

Water--40
StartProtect

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

Normal--10
StartToxic Spikes

The user lays a trap of poison spikes at the feet of the opposing team. The spikes will poison opposing Pokémon that switch into battle.

Poison--20
StartShell Smash

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

Normal--15
13Spike Cannon

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

Normal2010015
28Spikes

The user lays a trap of spikes at the opposing team’s feet. The trap hurts Pokémon that switch into battle.

Ground--20
50Icicle Crash

The user attacks by harshly dropping large icicles onto the target. This may also make the target flinch.

Ice859010

Moves this Pokémon can learn from Technical Machines in Pokémon Ultra Sun and Ultra Moon.
Class
TM06Toxic

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

Poison-9010
TM07Hail

The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type.

Ice--10
TM10Hidden Power

A unique attack that varies in type depending on the Pokémon using it.

Normal6010015
TM13Ice Beam

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

Ice9010010
TM14Blizzard

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

Ice110705
TM15Hyper Beam

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

Normal150905
TM17Protect

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

Normal--10
TM18Rain Dance

The user summons a heavy rain that falls for five turns, powering up Water-type moves. It lowers the power of Fire-type moves.

Water--5
TM21Frustration

This full-power attack grows more powerful the less the user likes its Trainer.

Normal-10020
TM27Return

This full-power attack grows more powerful the more the user likes its Trainer.

Normal-10020
TM32Double Team

By moving rapidly, the user makes illusory copies of itself to raise its evasiveness.

Normal--15
TM41Torment

The user torments and enrages the target, making it incapable of using the same move twice in a row.

Dark-10015
TM42Facade

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

Normal7010020
TM44Rest

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

Psychic--10
TM45Attract

If it is the opposite gender of the user, the target becomes infatuated and less likely to attack.

Normal-10015
TM48Round

The user attacks the target with a song. Others can join in the Round to increase the power of the attack.

Normal6010015
TM64Explosion

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

Normal2501005
TM66Payback

The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled.

Dark5010010
TM67Smart Strike

The user stabs the target with a sharp horn. This attack never misses.

Steel70-10
TM68Giga Impact

The user charges at the target using every bit of its power. The user can’t move on the next turn.

Normal150905
TM79Frost Breath

The user blows its cold breath on the target. This attack always results in a critical hit.

Ice609010
TM84Poison Jab

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

Poison8010020
TM87Swagger

The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat.

Normal-8515
TM88Sleep Talk

While it is asleep, the user randomly uses one of the moves it knows.

Normal--10
TM90Substitute

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

Normal--10
TM94Surf

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

Water9010015
TM100Confide

The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat.

Normal--20

Moves this Pokémon can learn from move tutors in this game.
Class
Icy Wind

The user attacks with a gust of chilled air. This also lowers the opposing Pokémon’s Speed stats.

Ice559515
Iron Defense

The user hardens its body’s surface like iron, sharply raising its Defense stat.

Steel--15
Liquidation

The user slams into the target using a full-force blast of water. This may also lower the target’s Defense stat.

Water8510010
Signal Beam

The user attacks with a sinister beam of light. This may also confuse the target.

Bug7510015
Snore

This attack can be used only if the user is asleep. The harsh noise may also make the target flinch.

Normal5010015
Water Pulse

The user attacks the target with a pulsing blast of water. This may also confuse the target.

Water6010020

Learn before evolving and retain the move. Breeding and prior stages have separate requirements.
Class
Acquisition source
Aqua Ring

The user envelops itself in a veil made of water. It regains some HP every turn.

Water--20

Shellder — breeding; retain through evolution

Avalanche

The power of this attack move is doubled if the user has been hurt by the target in the same turn.

Ice6010010

Shellder — breeding; retain through evolution

Barrier

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

Psychic--20

Shellder — breeding; retain through evolution

Brine

If the target’s HP is half or less, this attack will hit with double the power.

Water6510010

Shellder — level up; retain through evolution (level 44)

Bubble Beam

A spray of bubbles is forcefully ejected at the target. This may also lower its Speed stat.

Water6510020

Shellder — breeding; retain through evolution

Clamp

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

Water358515

Shellder — level up; retain through evolution (level 25)

Ice Shard

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

Ice4010030

Shellder — level up; retain through evolution (level 28)

Icicle Spear

The user launches sharp icicles at the target two to five times in a row.

Ice2510030

Shellder — breeding; retain through evolution

Icicle Spear

The user launches sharp icicles at the target two to five times in a row.

Ice2510030

Shellder — level up; retain through evolution (level 13)

Leer

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

Normal-10030

Shellder — level up; retain through evolution (level 20)

Mud Shot

The user attacks by hurling a blob of mud at the target. This also lowers the target’s Speed stat.

Ground559515

Shellder — breeding; retain through evolution

Rapid Spin

A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.

Normal2010040

Shellder — breeding; retain through evolution

Razor Shell

The user cuts its target with sharp shells. This may also lower the target’s Defense stat.

Water759510

Shellder — level up; retain through evolution (level 32)

Rock Blast

The user hurls hard rocks at the target. Two to five rocks are launched in a row.

Rock259010

Shellder — breeding; retain through evolution

Screech

An earsplitting screech harshly lowers the target’s Defense stat.

Normal-8540

Shellder — breeding; retain through evolution

Tackle

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

Normal4010035

Shellder — level up; retain through evolution (level 1)

Take Down

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

Normal908520

Shellder — breeding; retain through evolution

Twineedle

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

Bug2510020

Shellder — breeding; retain through evolution

Water Gun

The target is blasted with a forceful shot of water.

Water4010025

Shellder — level up; retain through evolution (level 1)

Whirlpool

The user traps the target in a violent swirling whirlpool for four to five turns.

Water358515

Shellder — level up; retain through evolution (level 40)

Imports, special breeding, event gifts and copied moves have separate requirements. Individual options do not guarantee every four-move combination; historical transfer services require eligible software and Pokémon.
Class
Acquisition source
Aqua Ring

The user envelops itself in a veil made of water. It regains some HP every turn.

Water--20

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Avalanche

The power of this attack move is doubled if the user has been hurt by the target in the same turn.

Ice6010010

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Barrier

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

Psychic--20

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Barrier

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

Psychic--20

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Bide

The user endures attacks for two turns, then strikes back to cause double the damage taken.

Normal--10

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Brine

If the target’s HP is half or less, this attack will hit with double the power.

Water6510010

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Bubble Beam

A spray of bubbles is forcefully ejected at the target. This may also lower its Speed stat.

Water6510020

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Bubble Beam

A spray of bubbles is forcefully ejected at the target. This may also lower its Speed stat.

Water6510020

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Captivate

If any opposing Pokémon is the opposite gender of the user, it is charmed, which harshly lowers its Sp. Atk stat.

Normal-10020

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Clamp

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

Water358515

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Clamp

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

Water358515

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Curse

A move that works differently for the Ghost type than for all other types.

Ghost--10

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Dive

Diving on the first turn, the user floats up and attacks on the next turn.

Water8010010

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Double-Edge

A reckless, life-risking tackle. This also damages the user quite a lot.

Normal12010015

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Double-Edge

A reckless, life-risking tackle. This also damages the user quite a lot.

Normal12010015

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Endure

The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.

Normal--10

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Endure

The user endures any attack with at least 1 HP. Its chance of failing rises if it is used in succession.

Normal--10

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Ice Shard

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

Ice4010030

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Icicle Spear

The user launches sharp icicles at the target two to five times in a row.

Ice2510030

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Leer

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

Normal-10030

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Leer

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

Normal-10030

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Mimic

The user copies the target’s last move. The move can be used during battle until the Pokémon is switched out.

Normal--10

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Mimic

The user copies the target’s last move. The move can be used during battle until the Pokémon is switched out.

Normal--10

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Mud Shot

The user attacks by hurling a blob of mud at the target. This also lowers the target’s Speed stat.

Ground559515

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Natural Gift

The user draws power to attack by using its held Berry. The Berry determines the move’s type and power.

Normal-10015

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Rage

As long as this move is in use, the power of rage raises the Attack stat each time the user is hit in battle.

Normal2010020

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Rapid Spin

A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.

Normal2010040

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Rapid Spin

A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes.

Normal2010040

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Razor Shell

The user cuts its target with sharp shells. This may also lower the target’s Defense stat.

Water759510

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Reflect

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

Psychic--20

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Rock Blast

The user hurls hard rocks at the target. Two to five rocks are launched in a row.

Rock259010

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Screech

An earsplitting screech harshly lowers the target’s Defense stat.

Normal-8540

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Screech

An earsplitting screech harshly lowers the target’s Defense stat.

Normal-8540

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Secret Power

The additional effects of this attack depend upon where it was used.

Normal7010020

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Self-Destruct

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

Normal2001005

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Swift

Star-shaped rays are shot at the opposing Pokémon. This attack never misses.

Normal60-20

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Swift

Star-shaped rays are shot at the opposing Pokémon. This attack never misses.

Normal60-20

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Tackle

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

Normal4010035

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Tackle

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

Normal4010035

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Take Down

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

Normal908520

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Take Down

A reckless, full-body charge attack for slamming into the target. This also damages the user a little.

Normal908520

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Teleport

Use it to flee from any wild Pokémon.

Psychic--20

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Tri Attack

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

Normal8010010

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Twineedle

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

Bug2510020

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Water Gun

The target is blasted with a forceful shot of water.

Water4010025

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Whirlpool

The user traps the target in a violent swirling whirlpool for four to five turns.

Water358515

Import from compatible Generation III–VI games using the required transfer chain and Pokémon Bank; retain through evolution where applicable

Whirlpool

The user traps the target in a violent swirling whirlpool for four to five turns.

Water358515

3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available

Ability options available to this Pokémon in this game.

Shell Armor

Ability Slot 1

A hard shell protects the Pokémon from critical hits.

Protects against critical hits.

Skill Link

Ability Slot 2

Maximizes the number of times multi-strike moves hit.

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

Overcoat(Hidden Ability)

Protects the Pokémon from things like sand, hail, and powder.

Protects against sandstorm and hail damage, powder moves and Effect Spore.

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