Cloyster

Cloyster is a Water/Ice type Pokémon introduced in Generation 1. It is known as the Bivalve Pokémon.

Pokédex descriptions

Red
Blue
LeafGreen
When attacked, it launches its horns in quick volleys. Its innards have never been seen.
Yellow For protection, it uses its harderthan-diamonds shell. It also shoots spikes from the shell.
Gold
HeartGold
Once it slams its shell shut, it is impossible to open, even by those with superior strength.
Silver
SoulSilver
CLOYSTER that live in seas with harsh tidal currents grow large, sharp spikes on their shells.
Crystal Even a missile can’t break the spikes it uses to stab opponents. They’re even harder than its shell.
Ruby
Sapphire
CLOYSTER is capable of swimming in the sea. It does so by swallowing water, then jetting it out toward the rear. This POKéMON shoots spikes from its shell using the same system.
Emerald 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.
FireRed Its shell is extremely hard. It cannot be shattered, even with a bomb. The shell opens only when it is attacking.
Diamond
Pearl
Platinum
Black
White
Black 2
White 2
It fights by keeping its shell tightly shut for protection and by shooting spikes to repel foes.

Evolution chart

Shellder
#090
Shellder
Water

(use Water Stone)
Cloyster
#091
Cloyster
Water · Ice

Name origin

clam
marine creature
oyster
marine creature
cloister
isolated religious building

Moves learned by Cloyster

Cloyster sprites

Normal
Black/White
Shiny
Black/White
Normal
HG/SS
Shiny
HG/SS
Cloyster normal sprite Cloyster shiny sprite Cloyster normal sprite Cloyster shiny sprite

See all Cloyster sprites

Where to find Cloyster

Black
White
Route 13, Undella Bay, Undella Town
Black 2
White 2
Route 13, Undella Town, Humilau City, Seaside Cave
X
Y
Route 8 (Muraille Coast)