Cloyster evolves from Shellder by using a Water Stone on it.
Cloyster cannot evolve.
For Cloyster its basic
Get a shellder then use a water stone on it and it will evolve into a cloyster.
Catch a shellder then use a water stone on it it will evolve into cloyster.
The only way that you can get a Cloyster on your Emerald game is if you trade it from FireRed or XD.
You can't capture cloyster to get one use a water stone on shellder.
Cloyster is #91 in the national pokedex, and it is a Water-Ice type Pokemon.
Cloyster
Cloyster's weaknesses are electric-type, fighting-type, grass-type, and rock-type.
Yes.
no
Cloyster can only be obtained through evolving Shellder. Shellder is a FireRed-exclusive Pokemon in Generation III.