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


Category
Height
Weight
National Pokédex
Pokédex
Cloyster in Other Games
National Dex pageMin
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.
| Pokédexes | Alola #139Melemele #139 |
|---|---|
| EV yield | 2 Def |
| Catch rate | 60 |
| Base Exp. | 184 |
| Egg groups | |
|---|---|
| Gender | 50% male 50% female |
| Egg cycles | 20 |
| Pokémon | Requires | Evolution |
|---|---|---|
![]() Shellder #138 | Use Water Stone | ![]() Cloyster #139 |
| Class | ||||||
|---|---|---|---|---|---|---|
| Start | Supersonic The user generates odd sound waves from its body that confuse the target. | ![]() | ![]() | - | 55 | 20 |
| Start | Hydro Pump The target is blasted by a huge volume of water launched under great pressure. | ![]() | ![]() | 110 | 80 | 5 |
| Start | Aurora Beam The target is hit with a rainbow-colored beam. This may also lower the target’s Attack stat. | ![]() | ![]() | 65 | 100 | 20 |
| Start | Withdraw The user withdraws its body into its hard shell, raising its Defense stat. | ![]() | ![]() | - | - | 40 |
| Start | Protect Enables the user to evade all attacks. Its chance of failing rises if it is used in succession. | ![]() | ![]() | - | - | 10 |
| Start | Toxic 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. | ![]() | ![]() | - | - | 20 |
| Start | Shell Smash The user breaks its shell, which lowers Defense and Sp. Def stats but sharply raises its Attack, Sp. Atk, and Speed stats. | ![]() | ![]() | - | - | 15 |
| 13 | Spike Cannon Sharp spikes are shot at the target in rapid succession. They hit two to five times in a row. | ![]() | ![]() | 20 | 100 | 15 |
| 28 | Spikes The user lays a trap of spikes at the opposing team’s feet. The trap hurts Pokémon that switch into battle. | ![]() | ![]() | - | - | 20 |
| 50 | Icicle Crash The user attacks by harshly dropping large icicles onto the target. This may also make the target flinch. | ![]() | ![]() | 85 | 90 | 10 |
| Class | ||||||
|---|---|---|---|---|---|---|
| TM06 | Toxic A move that leaves the target badly poisoned. Its poison damage worsens every turn. | ![]() | ![]() | - | 90 | 10 |
| TM07 | Hail The user summons a hailstorm lasting five turns. It damages all Pokémon except the Ice type. | ![]() | ![]() | - | - | 10 |
| TM10 | Hidden Power A unique attack that varies in type depending on the Pokémon using it. | ![]() | ![]() | 60 | 100 | 15 |
| TM13 | Ice Beam The target is struck with an icy-cold beam of energy. This may also leave the target frozen. | ![]() | ![]() | 90 | 100 | 10 |
| TM14 | Blizzard A howling blizzard is summoned to strike opposing Pokémon. This may also leave the opposing Pokémon frozen. | ![]() | ![]() | 110 | 70 | 5 |
| TM15 | Hyper Beam The target is attacked with a powerful beam. The user can’t move on the next turn. | ![]() | ![]() | 150 | 90 | 5 |
| TM17 | Protect Enables the user to evade all attacks. Its chance of failing rises if it is used in succession. | ![]() | ![]() | - | - | 10 |
| TM18 | Rain 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. | ![]() | ![]() | - | - | 5 |
| TM21 | Frustration This full-power attack grows more powerful the less the user likes its Trainer. | ![]() | ![]() | - | 100 | 20 |
| TM27 | Return This full-power attack grows more powerful the more the user likes its Trainer. | ![]() | ![]() | - | 100 | 20 |
| TM32 | Double Team By moving rapidly, the user makes illusory copies of itself to raise its evasiveness. | ![]() | ![]() | - | - | 15 |
| TM41 | Torment The user torments and enrages the target, making it incapable of using the same move twice in a row. | ![]() | ![]() | - | 100 | 15 |
| TM42 | Facade This attack move doubles its power if the user is poisoned, burned, or paralyzed. | ![]() | ![]() | 70 | 100 | 20 |
| TM44 | Rest The user goes to sleep for two turns. This fully restores the user’s HP and heals any status conditions. | ![]() | ![]() | - | - | 10 |
| TM45 | Attract If it is the opposite gender of the user, the target becomes infatuated and less likely to attack. | ![]() | ![]() | - | 100 | 15 |
| TM48 | Round The user attacks the target with a song. Others can join in the Round to increase the power of the attack. | ![]() | ![]() | 60 | 100 | 15 |
| TM64 | Explosion The user attacks everything around it by causing a tremendous explosion. The user faints upon using this move. | ![]() | ![]() | 250 | 100 | 5 |
| TM66 | Payback The user stores power, then attacks. If the user moves after the target, this attack’s power will be doubled. | ![]() | ![]() | 50 | 100 | 10 |
| TM67 | Smart Strike The user stabs the target with a sharp horn. This attack never misses. | ![]() | ![]() | 70 | - | 10 |
| TM68 | Giga Impact The user charges at the target using every bit of its power. The user can’t move on the next turn. | ![]() | ![]() | 150 | 90 | 5 |
| TM79 | Frost Breath The user blows its cold breath on the target. This attack always results in a critical hit. | ![]() | ![]() | 60 | 90 | 10 |
| TM84 | Poison Jab The target is stabbed with a tentacle or arm steeped in poison. This may also poison the target. | ![]() | ![]() | 80 | 100 | 20 |
| TM87 | Swagger The user enrages and confuses the target. However, this also sharply raises the target’s Attack stat. | ![]() | ![]() | - | 85 | 15 |
| TM88 | Sleep Talk While it is asleep, the user randomly uses one of the moves it knows. | ![]() | ![]() | - | - | 10 |
| TM90 | Substitute The user makes a copy of itself using some of its HP. The copy serves as the user’s decoy. | ![]() | ![]() | - | - | 10 |
| TM94 | Surf The user attacks everything around it by swamping its surroundings with a giant wave. | ![]() | ![]() | 90 | 100 | 15 |
| TM100 | Confide The user tells the target a secret, and the target loses its ability to concentrate. This lowers the target’s Sp. Atk stat. | ![]() | ![]() | - | - | 20 |
| Class | |||||
|---|---|---|---|---|---|
| Icy Wind The user attacks with a gust of chilled air. This also lowers the opposing Pokémon’s Speed stats. | ![]() | ![]() | 55 | 95 | 15 |
| Iron Defense The user hardens its body’s surface like iron, sharply raising its Defense stat. | ![]() | ![]() | - | - | 15 |
| Liquidation The user slams into the target using a full-force blast of water. This may also lower the target’s Defense stat. | ![]() | ![]() | 85 | 100 | 10 |
| Signal Beam The user attacks with a sinister beam of light. This may also confuse the target. | ![]() | ![]() | 75 | 100 | 15 |
| Snore This attack can be used only if the user is asleep. The harsh noise may also make the target flinch. | ![]() | ![]() | 50 | 100 | 15 |
| Water Pulse The user attacks the target with a pulsing blast of water. This may also confuse the target. | ![]() | ![]() | 60 | 100 | 20 |
| Class | Acquisition source | |||||
|---|---|---|---|---|---|---|
| Aqua Ring The user envelops itself in a veil made of water. It regains some HP every turn. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 60 | 100 | 10 | Shellder — breeding; retain through evolution |
| Barrier The user throws up a sturdy wall that sharply raises its Defense stat. | ![]() | ![]() | - | - | 20 | Shellder — breeding; retain through evolution |
| Brine If the target’s HP is half or less, this attack will hit with double the power. | ![]() | ![]() | 65 | 100 | 10 | 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. | ![]() | ![]() | 65 | 100 | 20 | 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. | ![]() | ![]() | 35 | 85 | 15 | 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. | ![]() | ![]() | 40 | 100 | 30 | 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. | ![]() | ![]() | 25 | 100 | 30 | Shellder — breeding; retain through evolution |
| Icicle Spear The user launches sharp icicles at the target two to five times in a row. | ![]() | ![]() | 25 | 100 | 30 | Shellder — level up; retain through evolution (level 13) |
| Leer The user gives opposing Pokémon an intimidating leer that lowers the Defense stat. | ![]() | ![]() | - | 100 | 30 | 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. | ![]() | ![]() | 55 | 95 | 15 | Shellder — breeding; retain through evolution |
| Rapid Spin A spin attack that can also eliminate such moves as Bind, Wrap, Leech Seed, and Spikes. | ![]() | ![]() | 20 | 100 | 40 | Shellder — breeding; retain through evolution |
| Razor Shell The user cuts its target with sharp shells. This may also lower the target’s Defense stat. | ![]() | ![]() | 75 | 95 | 10 | 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. | ![]() | ![]() | 25 | 90 | 10 | Shellder — breeding; retain through evolution |
| Screech An earsplitting screech harshly lowers the target’s Defense stat. | ![]() | ![]() | - | 85 | 40 | Shellder — breeding; retain through evolution |
| Tackle A physical attack in which the user charges and slams into the target with its whole body. | ![]() | ![]() | 40 | 100 | 35 | 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. | ![]() | ![]() | 90 | 85 | 20 | 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. | ![]() | ![]() | 25 | 100 | 20 | Shellder — breeding; retain through evolution |
| Water Gun The target is blasted with a forceful shot of water. | ![]() | ![]() | 40 | 100 | 25 | Shellder — level up; retain through evolution (level 1) |
| Whirlpool The user traps the target in a violent swirling whirlpool for four to five turns. | ![]() | ![]() | 35 | 85 | 15 | Shellder — level up; retain through evolution (level 40) |
| Class | Acquisition source | |||||
|---|---|---|---|---|---|---|
| Aqua Ring The user envelops itself in a veil made of water. It regains some HP every turn. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 60 | 100 | 10 | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 65 | 100 | 10 | 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. | ![]() | ![]() | 65 | 100 | 20 | 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. | ![]() | ![]() | 65 | 100 | 20 | 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. | ![]() | ![]() | - | 100 | 20 | 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. | ![]() | ![]() | 35 | 85 | 15 | 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. | ![]() | ![]() | 35 | 85 | 15 | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 80 | 100 | 10 | 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. | ![]() | ![]() | 120 | 100 | 15 | 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. | ![]() | ![]() | 120 | 100 | 15 | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 40 | 100 | 30 | 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. | ![]() | ![]() | 25 | 100 | 30 | 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. | ![]() | ![]() | - | 100 | 30 | 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. | ![]() | ![]() | - | 100 | 30 | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 55 | 95 | 15 | 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. | ![]() | ![]() | - | 100 | 15 | 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. | ![]() | ![]() | 20 | 100 | 20 | 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. | ![]() | ![]() | 20 | 100 | 40 | 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. | ![]() | ![]() | 20 | 100 | 40 | 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. | ![]() | ![]() | 75 | 95 | 10 | 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. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 25 | 90 | 10 | 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. | ![]() | ![]() | - | 85 | 40 | 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. | ![]() | ![]() | - | 85 | 40 | 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. | ![]() | ![]() | 70 | 100 | 20 | 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. | ![]() | ![]() | 200 | 100 | 5 | 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. | ![]() | ![]() | 60 | - | 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. | ![]() | ![]() | 60 | - | 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. | ![]() | ![]() | 40 | 100 | 35 | 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. | ![]() | ![]() | 40 | 100 | 35 | 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. | ![]() | ![]() | 90 | 85 | 20 | 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. | ![]() | ![]() | 90 | 85 | 20 | 3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available |
| Teleport Use it to flee from any wild Pokémon. | ![]() | ![]() | - | - | 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. | ![]() | ![]() | 80 | 100 | 10 | 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. | ![]() | ![]() | 25 | 100 | 20 | 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. | ![]() | ![]() | 40 | 100 | 25 | 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. | ![]() | ![]() | 35 | 85 | 15 | 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. | ![]() | ![]() | 35 | 85 | 15 | 3DS Virtual Console import via Poké Transporter and Pokémon Bank; Hidden Ability where available |
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.























































