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090MS #090: Shellder
Pokémon
#092: Gastly 092MS
This article is about the species. For a specific instance of this species, see Cloyster (disambiguation).
Cloyster
パルシェン Parshen
#091
091Cloyster
Art by Ken Sugimori from FireRed and LeafGreen
Type
Water Ice
Species
Bivalve Pokémon
Abilities
Shell Armor or Skill Link Overcoat
Hidden Ability
Exp. at Lv. 100
1,250,000
Regional Pokédex numbers
Kanto
#091
Johto
#172
Hoenn
#261
Regional Browser numbers
Height
4'11"
Imperial
1.5 m
Metric
Weight
292.1 lbs.
Imperial
132.5 kg
Metric
Dex color
Purple
Catch rate
60 (7.8%)
Body style
Body01
Footprint
 File:F091.png 
Gender ratio
50% male, 50% female
Breeding
Water 3 group 21 cycles
(5355 minimum steps)
EV yield
HP
0
Atk
0
Def
2
Sp.Atk
0
Sp.Def
0
Speed
0
Base Exp.: 203 Battle Exp.: 2031*

Cloyster (Japanese: パルシェン Parshen) is a dual-type Water/Ice Pokémon.

It evolves from Shellder when exposed to a Water Stone.

Biology

Physiology

Cloyster has a large shell covered in spikes. Six of the spikes are long and conical, resembling turrets, and are used to protect its soft insides from foes. However, the shell offers a lack of protection against special attacks. Cloyster has an inner, gray-colored layer inside its purple shell. Its "head" and face resemble a black pearl, and there is a jutting, horn-like white spike above its "head". Its face is similar to Gastly, though the two Pokémon are not related.

Gender differences

None.

Special abilities

Cloyster have strong defenses and moderate offenses, both thanks to their sturdy shell. They fight by clamping their shell tightly shut while launching spikes from their shell to strike opponents.

Behavior

Cloyster are sneaky and clever Pokémon, viciously rushing at prey while shooting spikes. They fight roughly because of the hostile nature of their habitat and the protection of their shell, allowing them to withstand physical blows easily. Cloyster swim by means of propulsion, doing so by first swallowing water, and then jetting it out toward the rear. Cloyster may also shoot spikes from their shell using the same system.

Habitat

Sea

Sea Pokémon

Cloyster live deep under the sea, usually on the seabed or amongst coral and rocks. Their range is basically the same as Shellder's.

Pokédex entries

This Pokémon was unavailable prior to Generation I.
Generation I
Kanto
Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Generation II
Johto
Once it slams its shell shut, it is impossible to open, even by those with superior strength.
 ???
No Pokédex data is available.


Game locations

This Pokémon was unavailable prior to Generation I.
Generation I
Kanto
None Evolve Shellder
Generation II
Johto
None Evolve Shellder

Game locations

This Pokémon was unavailable prior to Generation I.
Generation I
Kanto
None Trade
Generation II
Johto
None Trade

Stats

Base stats

Stat Range
At Lv. 50 At Lv. 100
HP: 50
110 - 157 210 - 304
Attack: 95
90 - 161 175 - 317
Defense: 180
166 - 255 328 - 504
Sp.Atk: 85
81 - 150 157 - 295
Sp.Def: 45
45 - 106 85 - 207
Speed: 70
67 - 134 130 - 262
Total: 525   Other Pokémon with this total  
  • Minimum stats are calculated with 0 EVs, IVs of 0, and a hindering nature, if applicable.
  • Maximum stats are calculated with 252 EVs, IVs of 31, and a helpful nature, if applicable.
  • This Pokémon's  Special  base stat in Generation I was 85.


Pokéathlon stats

Speed
1/2
Power
4/5 ★★★★
Skill
1/1
Stamina
4/4 ★★★★
Jump
2/2 ★★
Total
12/14 ★★

Type effectiveness

Under normal battle conditions in Generation V, this Pokémon is:
Damaged
normally by:
Normal
Fighting
Flying
Poison
Ground
Rock
Bug
Ghost
Steel
Fire
Water ½×
Grass
Electric
Psychic
Ice ¼×
Dragon
Dark
None
Weak to:
Normal
Fighting
Flying
Poison
Ground
Rock
Bug
Ghost
Steel
Fire
Water ½×
Grass
Electric
Psychic
Ice ¼×
Dragon
Dark
None
Immune to:
Normal
Fighting
Flying
Poison
Ground
Rock
Bug
Ghost
Steel
Fire
Water ½×
Grass
Electric
Psychic
Ice ¼×
Dragon
Dark
None
Resistant to:
Normal
Fighting
Flying
Poison
Ground
Rock
Bug
Ghost
Steel
Fire
Water ½×
Grass
Electric
Psychic
Ice ¼×
Dragon
Dark
None

Learnset

By leveling up

Generation V
Other generations:
I - II - III - IV
 Level   Move   Type   Cat.   Pwr.   Acc.   PP 
00Start Toxic Spikes Poison Status 0000 —% 20
00Start Withdraw Water Status 0000 —% 40
00Start Supersonic Normal Status 0000 05555% 20
00Start Protect Normal Status 0000 —% 10
00Start Aurora Beam Ice Special 06565 100100% 20
1313 Spike Cannon Normal Physical 02020 100100% 15
2828 Spikes Ground Status 0000 —% 20
5252 Icicle Crash Ice Physical 08585 09090% 10
  • A level of "Start" indicates a move that will be known by a Cloyster obtained at level 1 in Generation V
  • Bold indicates a move that gets STAB when used by Cloyster
  • Italic indicates a move that gets STAB only when used by an evolution of Cloyster
  • Click on the generation numbers at the top to see level-up moves from other generations

By TM/HM

Generation V
Other generations:
I - II - III - IV
 TM   Move   Type   Cat.   Pwr.   Acc.   PP 
Bag TM Poison Sprite TM06 Toxic Poison Status 90% 10
Bag TM Ice Sprite TM07 Hail Ice Status —% 10
Bag TM Normal Sprite TM10 Hidden Power Normal Special 100% 15
Bag TM Ice Sprite TM13 Ice Beam Ice Special 95 100% 10
Bag TM Ice Sprite TM14 Blizzard Ice Special 120 70% 5
Bag TM Normal Sprite TM15 Hyper Beam Normal Special 150 90% 5
Bag TM Normal Sprite TM17 Protect Normal Status —% 10
Bag TM Water Sprite TM18 Rain Dance Water Status —% 5
Bag TM Normal Sprite TM21 Frustration Normal Physical 100% 20
Bag TM Normal Sprite TM27 Return Normal Physical 100% 20
Bag TM Normal Sprite TM32 Double Team Normal Status —% 15
Bag TM Dark Sprite TM41 Torment Dark Status 100% 15
Bag TM Normal Sprite TM42 Facade Normal Physical 70 100% 20
Bag TM Psychic Sprite TM44 Rest Psychic Status —% 10
Bag TM Normal Sprite TM45 Attract Normal Status 100% 15
Bag TM Normal Sprite TM48 Round Normal Special 60 100% 15
Bag TM Normal Sprite TM64 Explosion Normal Physical 250 100% 5
Bag TM Dark Sprite TM66 Payback Dark Physical 50 100% 10
Bag TM Normal Sprite TM68 Giga Impact Normal Physical 150 90% 5
Bag TM Ice Sprite TM79 Frost Breath Ice Special 40 90% 10
Bag TM Poison Sprite TM84 Poison Jab Poison Physical 80 100% 20
Bag TM Normal Sprite TM87 Swagger Normal Status 90% 15
Bag TM Normal Sprite TM90 Substitute Normal Status —% 10
Bag HM Water Sprite HM03 Surf Water Special 95 100% 15
Bag HM Water Sprite HM06 Dive Water Physical 80 100% 10
  • Bold indicates a move that gets STAB when used by Cloyster
  • Italic indicates a move that gets STAB only when used by an evolution of Cloyster
  • Click on the generation numbers at the top to see TM moves from other generations

By breeding

Generation V
Other generations:
II - III - IV
 Father   Move   Type   Cat.   Pwr.   Acc.   PP 
222MS Aqua Ring Water Status —% 20
091MS Avalanche Ice Physical 60 100% 10
072MS073MS Barrier Psychic Status —% 30
072MS073MS098MS099MS222MS BubbleBeam Water Special 65 100% 20
090MS091MS Icicle Spear Ice Physical 25 100% 30
098MS099MS138MS139MS140MS141MS Mud Shot Ground Special 55 95% 15
072MS073MS140MS141MS Rapid Spin* Normal Physical 20 100% 40
138MS139MS222MS Rock Blast Rock Physical 25 90% 10
072MS073MS
Screech Normal Status 85% 40
090MS091MS Take Down Normal Physical 90 85% 20
072MS073MS Water Pulse Water Special 60 100% 20
  • Moves marked with an asterisk (*) must be chain bred onto Cloyster in Generation V
  • Moves marked with a double dagger (‡) can only be bred from a Pokémon who learned the move in an earlier generation.
  • Moves marked with a superscript game abbreviation can only be bred onto Cloyster in that game.
  • Bold indicates a move that gets STAB when used by Cloyster
  • Italic indicates a move that gets STAB only when used by an evolution of Cloyster
  • Click on the generation numbers at the top to see Egg moves from other generations

By tutoring

Generation V
Other generations:
II - III - IV
 Game   Move   Type   Cat.   Pwr.   Acc.   PP 
B W B2 W2 Icy Wind Ice Special 55 95% 15
B W B2 W2 Iron Defense Steel Status —% 15
B W B2 W2 Signal Beam Bug Special 75 100% 15
B W B2 W2 Sleep Talk Normal Status —% 10
B W B2 W2 Snore Normal Special 40 100% 15
  • A black abbreviation in a colored box indicates that Cloyster can be tutored the move in that game
  • A colored abbreviation in a white box indicates that Cloyster cannot be tutored the move in that game
  • Bold indicates a move that gets STAB when used by Cloyster
  • Italic indicates a move that gets STAB only when used by an evolution of Cloyster
  • Click on the generation numbers at the top to see Move Tutor moves from other generations

By a prior evolution

Generation V
Other generations:
I - II - III - IV
 Stage   Move   Type   Cat.   Pwr.   Acc.   PP 
090MS Tackle Normal Physical 50 100% 35
090MS Icicle Spear Ice Physical 25 100% 30
090MS Leer Normal Status 100% 30
090MS Clamp Water Physical 35 85% 10
090MS Ice Shard Ice Physical 40 100% 30
090MS Razor Shell Water Physical 75 95% 10
090MS Whirlpool Water Special 35 85% 15
090MS Brine Water Special 65 100% 10
090MS Iron Defense Steel Status —% 15
090MS Shell Smash Normal Status —% 15
090MS Hydro Pump Water Special 120 80% 5
090MS Icy Wind Ice Special 55 95% 15
  • Bold indicates a move that gets STAB when used by Cloyster
  • Italic indicates a move that gets STAB only when used by an evolution of Cloyster
  • Click on the generation numbers at the top to see moves from other generations

Evolution

090
Unevolved
Shellder
 Water 
Bag Water Stone Sprite
Water Stone


091
First evolution
Cloyster
 Water  Ice 

090MS #090: Shellder
Pokémon
#092: Gastly 092MS

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