You wil have to trade with FireRed or XD.
No, you have to trade it from FireRed or Pokémon XD: Gale of Darkness
Use a good rod in seafoam islands.
Poliwhirl → Poliwrath, Shellder → Cloyster, Staryu → Starmie and Eevee → Vaporeon
To get Pokemon firered on PC download a vba and Pokemon firered ROM
You can catch shellder in Pokemon red, blue, yellow, gold, silver, crystal, FireRed, XD, diamond, and pearl.
a piece of cheese
you can't get a shellder in leafgreen, you can only get it in firered. you can ask a friend that has that game to catch you a shellder and trade it to you.
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You wil have to trade with FireRed or XD.
Cloyster can only be obtained through evolving Shellder. Shellder is a FireRed-exclusive Pokemon in Generation III.
Shellder can be found in firered and leafgreen either you fish for one or look in seafoam islands.
I know firered can, if you seen a shellder look at it on your pokedex and check its area if it says unkown you will HAVE to trade a shellder to leafgreen from firered.
No, you have to trade it from FireRed or Pokémon XD: Gale of Darkness
Use a good rod in seafoam islands.
You could catch a Shellder at Valley Windworks only by using your super rod
find a shellder in the water of pallet town then give it a water stone