Cloysterin Pokémon Modern Emerald

waterice

Pokédex Entry

Bivalve Pokémon

It 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.

Front

Normal

Shiny

Animated

Shiny Animated

Back

Normal

Shiny

Type

WaterIce

Dex

#091

Abilities

Shell Armor

Blocks critical hits.

Growth Rate

slow

Gender Ratio

50% Male, 50% Female

Egg Groups

water3

Hatch Rate

Medium Fast (20 cycles)

Catch Rate

Poké Ball6.9%

Great Ball8.9%

Ultra Ball11.5%

Base Exp

203

EV Yield

2 Defense

Wild Held Items

Pearl(50%)Bigpearl(5%)

Weak To

electric ×2grass ×2fighting ×2rock ×2

Resists

water ×0.5ice ×0.25

Evolution Chain

Shellder

Base form

→

Cloyster

Use Water Stone on Shellder

Related Guides

How to Obtain

Cloyster can be found in Shoal Cave Low Tide Ice Room Suicune while fishing with Super Rod (uncommon). Wild ones range from level 32 to 40.

Wild Encounters (1)

Level Up Moves (13)

Level	Move	Type	Power	Acc.	PP
1	WithdrawLevel: 1Withdraw	water	PWR0	ACC0	PP40
1	WithdrawLevel: 1Withdraw	Withdraws the body into its hard shell to raise Defense.
1	Water GunLevel: 1Water Gun	water	PWR40	ACC100	PP25
1	Water GunLevel: 1Water Gun	Squirts water to attack the foe.
1	SupersonicLevel: 1Supersonic	normal	PWR0	ACC55	PP20
1	SupersonicLevel: 1Supersonic	Emits bizarre sound waves that may confuse the foe.
1	WhirlpoolLevel: 1Whirlpool	water	PWR35	ACC95	PP15
1	WhirlpoolLevel: 1Whirlpool	Traps and hurts the foe in a whirlpool for 2 to 5 turns.
1	LeerLevel: 1Leer	normal	PWR0	ACC100	PP30
1	LeerLevel: 1Leer	Frightens the foe with a leer to lower Defense.
1	Aurora BeamLevel: 1Aurora Beam	ice	PWR65	ACC100	PP20
1	Aurora BeamLevel: 1Aurora Beam	Fires a rainbow-colored beam that may lower Attack.
1	Iron DefenseLevel: 1Iron Defense	steel	PWR0	ACC0	PP15
1	Iron DefenseLevel: 1Iron Defense	Hardens the body's surface to sharply raise Defense.
1	Ice BeamLevel: 1Ice Beam	ice	PWR90	ACC100	PP10
1	Ice BeamLevel: 1Ice Beam	Blasts the foe with an icy beam that may freeze it.
1	Icicle SpearLevel: 1Icicle Spear	ice	PWR20	ACC100	PP30
1	Icicle SpearLevel: 1Icicle Spear	Attacks the foe by firing 2 to 5 icicles in a row.
1	ProtectLevel: 1Protect	normal	PWR0	ACC0	PP10
1	ProtectLevel: 1Protect	Evades attack, but may fail if used in succession.
33	SpikesLevel: 33Spikes	ground	PWR0	ACC0	PP20
33	SpikesLevel: 33Spikes	Sets spikes that hurt a foe switching in.
41	Spike CannonLevel: 41Spike Cannon	normal	PWR20	ACC100	PP15
41	Spike CannonLevel: 41Spike Cannon	Launches sharp spikes that strike 2 to 5 times.
48	Hydro PumpLevel: 48Hydro Pump	water	PWR120	ACC80	PP5
48	Hydro PumpLevel: 48Hydro Pump	Blasts water at high power to strike the foe.

Related Guides

Pre-evolution-only Moves (2)

These moves must be learned before evolving; Cloyster cannot learn them through its own level-up, TM/HM, tutor, egg, wild, or evolution moves.

Level	Move	Type	Power	Acc.	PP	Learned from
1	TackleLevel: 1(Shellder · Level 1)Tackle	normal	PWR40	ACC100	PP35	Shellder · Level 1
1	TackleLevel: 1(Shellder · Level 1)Tackle	Charges the foe with a full- body tackle.
41	ClampLevel: 41(Shellder · Level 41)Clamp	water	PWR35	ACC85	PP15	Shellder · Level 41
41	ClampLevel: 41(Shellder · Level 41)Clamp	Traps and squeezes the foe for 2 to 5 turns.

Egg Moves (8)

Move	Type	Power	Acc.	PP
Bubble BeamBubble Beam	water	PWR65	ACC100	PP20
Bubble BeamBubble Beam	Forcefully sprays bubbles that may lower Speed.
Take DownTake Down	normal	PWR90	ACC85	PP20
Take DownTake Down	A reckless charge attack that also hurts the user.
Mud ShotMud Shot	ground	PWR55	ACC95	PP15
Mud ShotMud Shot	Hurls mud at the foe and reduces Speed.
BarrierBarrier	psychic	PWR0	ACC0	PP20
BarrierBarrier	Creates a barrier that sharply raises Defense.
Rapid SpinRapid Spin	normal	PWR50	ACC100	PP40
Rapid SpinRapid Spin	Spins the body at high speed to strike the foe.
Rock BlastRock Blast	rock	PWR25	ACC90	PP10
Rock BlastRock Blast	Hurls boulders at the foe 2 to 5 times in a row.
ScreechScreech	normal	PWR0	ACC85	PP40
ScreechScreech	Emits a screech to sharply reduce the foe's Defense.
Icicle SpearIcicle Spear	ice	PWR20	ACC100	PP30
Icicle SpearIcicle Spear	Attacks the foe by firing 2 to 5 icicles in a row.

Related Guides

TM/HM Moves (19)

Move	Type	Power	Acc.	PP
Water PulseWater Pulse	water	PWR60	ACC100	PP20	TM03TM03
Water PulseWater Pulse	Attacks with ultrasonic waves. May confuse the foe.
ToxicToxic	poison	PWR0	ACC70	PP10	TM06TM06
ToxicToxic	Poisons the foe with an intensifying toxin.
HailHail	ice	PWR0	ACC0	PP10	TM07TM07
HailHail	Summons a hailstorm that strikes every turn.
Hidden PowerHidden Power	normal	PWR60	ACC100	PP15	TM10TM10
Hidden PowerHidden Power	The effectiveness varies with the user.
Ice BeamIce Beam	ice	PWR90	ACC100	PP10	TM13TM13
Ice BeamIce Beam	Blasts the foe with an icy beam that may freeze it.
BlizzardBlizzard	ice	PWR110	ACC70	PP5	TM14TM14
BlizzardBlizzard	Hits the foe with an icy storm that may freeze it.
Hyper BeamHyper Beam	normal	PWR150	ACC90	PP5	TM15TM15
Hyper BeamHyper Beam	Powerful, but leaves the user immobile the next turn.
ProtectProtect	normal	PWR0	ACC0	PP10	TM17TM17
ProtectProtect	Evades attack, but may fail if used in succession.
Rain DanceRain Dance	water	PWR0	ACC0	PP5	TM18TM18
Rain DanceRain Dance	Boosts the power of Water- type moves for 5 turns.
FrustrationFrustration	normal	PWR1	ACC100	PP20	TM21TM21
FrustrationFrustration	An attack that is stronger if the Trainer is disliked.
ReturnReturn	normal	PWR1	ACC100	PP20	TM27TM27
ReturnReturn	An attack that increases in power with friendship.
Double TeamDouble Team	normal	PWR0	ACC0	PP15	TM32TM32
Double TeamDouble Team	Creates illusory copies to raise evasiveness.
TormentTorment	dark	PWR0	ACC100	PP15	TM41TM41
TormentTorment	Torments the foe and stops successive use of a move.
FacadeFacade	normal	PWR70	ACC100	PP20	TM42TM42
FacadeFacade	Boosts Attack when burned, paralyzed, or poisoned.
Secret PowerSecret Power	normal	PWR70	ACC100	PP20	TM43TM43
Secret PowerSecret Power	An attack with effects that vary by location.
RestRest	psychic	PWR0	ACC0	PP5	TM44TM44
RestRest	The user sleeps for 2 turns, restoring HP and status.
AttractAttract	normal	PWR0	ACC100	PP15	TM45TM45
AttractAttract	Makes the opposite gender less likely to attack.
SurfSurf	water	PWR90	ACC100	PP15	HM03HM03
SurfSurf	Creates a huge wave, then crashes it down on the foe.
DiveDive	water	PWR90	ACC100	PP10	HM08HM08
DiveDive	Dives underwater the first turn and strikes next turn.

Related Guides

Type Matchup Strategies
Master type advantages and STAB moves

Move Tutor Moves (10)

Move	Type	Power	Acc.	PP	Location
Double Edge (Sootopolis City Pokemon Center 1F)Double Edge	normal	PWR120	ACC100	PP15	Sootopolis City Pokemon Center 1F	TutorTutor
Double Edge (Sootopolis City Pokemon Center 1F)Double Edge	A life-risking tackle that also hurts the user.
Endure (Battle Frontier Lounge 7)Endure	normal	PWR0	ACC0	PP10	Battle Frontier Lounge 7	TutorTutor
Endure (Battle Frontier Lounge 7)Endure	Endures any attack for 1 turn, leaving at least 1HP.
Explosion (Pacifidlog Town Pokemon Center 1F)Explosion	normal	PWR250	ACC100	PP5	Pacifidlog Town Pokemon Center 1F	TutorTutor
Explosion (Pacifidlog Town Pokemon Center 1F)Explosion	Inflicts severe damage but makes the user faint.
Icy Wind (Battle Frontier Lounge 7)Icy Wind	ice	PWR55	ACC95	PP15	Battle Frontier Lounge 7	TutorTutor
Icy Wind (Battle Frontier Lounge 7)Icy Wind	A chilling attack that lowers the foe's Speed.
Mimic (Lavaridge Town House)Mimic	normal	PWR0	ACC100	PP10	Lavaridge Town House	TutorTutor
Mimic (Lavaridge Town House)Mimic	Copies a move used by the foe during one battle.
Sleep Talk (Fortree City House 2)Sleep Talk	normal	PWR0	ACC0	PP10	Fortree City House 2	TutorTutor
Sleep Talk (Fortree City House 2)Sleep Talk	Uses an available move randomly while asleep.
Snore (Battle Frontier Lounge 7)Snore	normal	PWR50	ACC100	PP15	Battle Frontier Lounge 7	TutorTutor
Snore (Battle Frontier Lounge 7)Snore	A loud attack that can be used only while asleep.
Substitute (Lilycove City Department Store Rooftop)Substitute	normal	PWR0	ACC0	PP10	Lilycove City Department Store Rooftop	TutorTutor
	Creates a decoy using 1/4 of the user's maximum HP.
Swagger (Slateport City Pokemon Fan Club)Swagger	normal	PWR0	ACC85	PP15	Slateport City Pokemon Fan Club	TutorTutor
Swagger (Slateport City Pokemon Fan Club)Swagger	Confuses the foe, but also sharply raises Attack.
Swift (Battle Frontier Lounge 7)Swift	normal	PWR60	ACC0	PP20	Battle Frontier Lounge 7	TutorTutor
Swift (Battle Frontier Lounge 7)Swift	Sprays star-shaped rays that never miss.