#091 Cloyster
Cloyster
Male: 50%   Female: 50%
Types
WaterIce
NameNumberJapanese Name
Cloyster091Parshen
PronunciationSpecies
CLOY-STIRBivalve Pokemon
Name Meaning
Comes from CLOISTER (note spelling) and OYSTER. Cloister means to close or shut away from the world.
HeightWeight
4' 11"1.50 m292.0 lb131.40 kg
Evolutions
Shellder    Water Stone   > Cloyster
Pokedex Entries
RedBlueWhen 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 had ever seen what is inside its shell.
GoldStadium 2Once it slams it 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.
Locations FoundTimeRarity
BlueMust Evolve from Shellder by using a Water StoneNAEvolve
RedNAEvolve
YellowNAEvolve
GoldAnyEvolve
SilverAnyEvolve
CrystalAnyEvolve
How to Catch
GroundSurfFishingForest TreeMountain TreeRock SmashBreedEvolveEventBugCatchGame Corner
R/B  X  
Yellow X  
G/S   X  
Crystal   X  
Weaknesses (Defense)
Normal = x1Fire = x1Water = x0.5Electric = x2Grass = x2Ice = x0.25
Fighting = x2Poison = x1Ground = x1Flying = x1Psychic = x1Bug = x1
Rock = x2Ghost = x1Dragon = x1Dark = x1Steel = x1
GSC
Total Weaknesses= 4/17
Total Resistances= 2/17
Defense Ratio= 2 : 1 -> 200%
RBY
Total Weaknesses= 4/15
Total Resistances= 2/15
Defense Ratio= 2 : 1 -> 200%
GSC vs RBY:This pokemon has the same number of weaknesses and advantages in GSC as RBY. Therefore their defense ratios are the same.
Advantages (Offense)
Normal =
1st: Normal
2nd: Normal
Fire =
1st (GSC): Good
2nd (GSC): Bad
1st (RBY): Good
2nd (RBY): Normal
Water =
1st: Bad
2nd: Bad
Electric =
1st: Normal
2nd: Normal
Grass =
1st: Bad
2nd: Good
Ice =
1st: Normal
2nd: Bad
Fighting =
1st: Normal
2nd: Normal
Poison =
1st: Normal
2nd: Normal
Ground =
1st: Good
2nd: Good
Flying =
1st: Normal
2nd: Good
Psychic =
1st: Normal
2nd: Normal
Bug =
1st: Normal
2nd: Normal
Rock =
1st: Good
2nd: Normal
Ghost =
1st: Normal
2nd: Normal
Dragon =
1st: Bad
2nd: Good
Dark =
1st: Normal
2nd: Normal
Steel =
1st: Normal
2nd: Bad
Total Advantages (GSC)= 7/34
Total Disadvantages (GSC)= 7/34
Offensive Ratio (GSC)= 1:1 (Adv : Dis) --> 100%
Total Advantages (RBY)= 7/30
Total Disadvantages (RBY)= 5/30
Offensive Ratio (RBY)= 7:5 (Adv : Dis) --> 140%
Natural Learned Attacks
Note: Attacks in white are physical attacks, Attacks in blue are special attacks, and Attacks in yellow are techniques with no direct damage. To view what an attack/ability is Click Here for Red/Blue/Yellow or Click Here for Gold/Silver/Crystal. (Opens in new window)
RBYGSCAttacksType
-TackleNRM
-WithdrawWTR
 SupersonicNRM
Aurora BeamICE
  ProtectNRM
 LeerNRM
ClampWTR
Ice BeamICE
  33SpikesGRD
5041Spike CannonNRM
Moves Learned from Move Tutor (Crystal)
Ice Beam
TM/HM Capibilities - Gold/Silver/Crystal         (Move cursor over TM/HMs and hold it to find out what it is)
TM 01TM 02TM 03TM 04TM 05TM 06TM 07TM 08TM 09TM 10
TM 11TM 12TM 13TM 14TM 15TM 16TM 17TM 18TM 19TM 20
TM 21TM 22TM 23TM 24TM 25TM 26TM 27TM 28TM 29TM 30
TM 31TM 32TM 33TM 34TM 35TM 36TM 37TM 38TM 39TM 40
TM 41TM 42TM 43TM 44TM 45TM 46TM 47TM 48TM 49TM 50
HM 01HM 02HM 03HM 04HM 05HM 06HM 07 
TM/HM Capibilities - Red/Blue/Yellow
TM 01TM 02TM 03TM 04TM 05TM 06TM 07TM 08TM 09TM 10
TM 11TM 12TM 13TM 14TM 15TM 16TM 17TM 18TM 19TM 20
TM 21TM 22TM 23TM 24TM 25TM 26TM 27TM 28TM 29TM 30
TM 31TM 32TM 33TM 34TM 35TM 36TM 37TM 38TM 39TM 40
TM 41TM 42TM 43TM 44TM 45TM 46TM 47TM 48TM 49TM 50
HM 01HM 02HM 03HM 04HM 05 
Breeding Information (GSC Feature Only)
Note: When ever a pokemon "Family" is mentioned, it means all of the pokemon that are related by evolution. The lowest level adult pokemon of a Family are always used in front of the word "Family". (for example: the Chikorita Family refers to Chikorita, Bayleef, and Meganium)
Breeding Groups:Group 10 - Water 3 Pokemon-
Pokemon Compatibility:
Egg Moves:BarrierMate with a male Tentacool/Tentacruel.
BubblebeamMate with a male Corsola or Tentacool/Tentacruel.
Rapid SpinBreed a male from Squirtle Family and a female Kabuto/Kabutops, then breed the male offspring with a female Shellder/Cloyster.
ScreechMate with a male Tentacool/Tentacruel.
Take DownTeach RBY TM09 (Take Down) to a pokemon from Kabuto, Krabby, Omanyte, Shellder, or Tentacool Family and trade it to GSC. If male, mate with a female Shellder/Cloyster.
StatsBaseMin-Max (L100)GSC
%ile
GSC
Rank
RBY
%ile
RBY
Rank
Hit Points:50
273-30327.43%32/4530.85%29/42
Attack:95
258-28880.20%9/4980.20%9/45
Defense:180
428-45899.98%3/55100.00%1/44
Speed:70
208-23855.96%23/4750.00%22/42
Special Attack (GSC):85
238-26875.80%13/46 
Special Defense (GSC):45
158-18818.41%34/41
Special (RBY):85
238-268 70.86%12/29
Total:GSC: 525RBY: 480GSC:
1563-1743
RBY:
1405-1555
86.43%9/8795.03%6/65

<-- #090 Shellder | #092 Gastly -->

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