Help!!!

[KITE]

I have the Fire Red version, and I want to catch a Shellder, but I can't find it anywhere. I saw in the Pokédex, the places where I can find it. But, when I went to thoose places, I didn't found it.
Please, help me, I want a Shellder.;090;

 

[kh2_lover]

well try using a super rod on the waters of vermillion

 

[Comis Patronus]

You can find it at Route 25, Cinnabar Island, Icefall Cave entrance, near Lavender Town, One Island, near the S.S. Anne, and Pallet Town.

 

[~Flareon~]

You can find Shellder at Route 25, Cinnabar Island, Icefall Cave Entrance, Lavender Town, One Island, Pallet Town and S.S. Anne(by fishing).

 

[KITE]

Thanks to everyone that helped me. I already catch Shellder.

 

[Liam-Kun]

just use a water stone and you'll have your new pokemon, but use it at the right level