Cloyster official artwork

Cloyster#091

water
ice

The Bivalve Pokémon

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About Cloyster

Cloyster is a Water / Ice-type Pokémon, the Bivalve Pokémon (No. 91), introduced in Generation I and native to the Kanto region.

Once it slams its shell shut, it is impossible to open, even by those with superior strength.

Pokédex data

Category
Bivalve Pokémon
Height
1.5 m
Weight
132.5 kg
Color
Purple
Shape
Ball
Habitat
Sea
Generation
Generation I
Region
Kanto

Base stats

Per statTotal 525
  • HP50
  • Attack95
  • Defense180
  • Sp. Atk85
  • Sp. Def45
  • Speed70

Type defenses (Water / Ice)

Weak to

electric
grass
fighting
rock

Resists

ice
water

Abilities

Shell Armor

A hard shell protects the Pokémon from critical hits.

Skill Link

Maximizes the number of times multistrike moves hit.

Overcoat

Hidden ability

The Pokémon takes no damage from sandstorms. It is also protected from the effects of powders and spores.

Evolution

shellder

Shellder

#090

Use Water Stone

cloyster

Cloyster

#091

Breeding

Egg groups

Water 3

Gender ratio

50% / 50%

Hatch counter

20 cycles (~5,140 steps)

Planning a specific spread? Open the breeding calculator to find compatible partners and hatch odds.

Training

EV yield (when defeated)

+2 Defense
Catch rate
60
Base happiness
70
Base XP
184
Growth rate
Slow

Trivia & history

Regional Pokédex appearances

KantoJohtoKalosAlolaGalarPaldeaJohto (HGSS)Alola (USUM)Isle of ArmorLet's Go Kanto
Sprites & cry

Artwork

  • Cloyster artwork
    Artwork
  • Cloyster shiny artwork
    Shiny artwork

Sprites

  • Cloyster front sprites
    Front
  • Cloyster front shiny sprites
    Front shiny
  • Cloyster back sprites
    Back
  • Cloyster back shiny sprites
    Back shiny

Animated

  • Cloyster front animated
    Front
  • Cloyster front shiny animated
    Front shiny
  • Cloyster back animated
    Back
  • Cloyster back shiny animated
    Back shiny

Cry