it is on route 205 (the floaroma side), the valley windworks and the Fuego ironworks but you need a super rod to get one.
Cloyster cannot evolve.
poliwhirl-poliwrath shelder-cloyster staryu-starmie eevee-vaporeon lombre-ludicolo
Dive is an HM, but in Diamond,Pearl, and Platnum, it is a TM
you dont
you find drifloon outside valley windworks on a friday
Water Stone Poliwhirl -> Poliwrath Shellder -> Cloyster Staryu -> Starmie Eevee -> Vaporeon Lombre -> Ludicolo
Eevee - Vaporeon, Poliwhirl - Poliwrath, Shelder - Cloyster, Staryu - Starmie, Lombre - Ludicolo, Panpour - Simipour.
You can find Misdreavus on Pokémon Diamond, you'll have to trade it with Pokémon Pearl.
IT is a trade evolution.
No, you can't get Pikachu as your first Pokemon on Pokemon Pearl or Pokemon Diamond.
Give it to cloyster and he/ she will evolve into a viclam
Floatzel is the last evolution of buizel it doesnt go any further