Vulpix can evolve into ninetales with a fire stone
Charmander evolves into Charmeleon at level 16.
Spearow evolves at level 20.
It evolves into pidgeot at level 36.
Diglett evolves into Dugtrio at Level 26.
Larvitar evolves at Level 30.
it evolves at level 22
Charmander evolves into Charmeleon at level 16.
it evolves at level 24
Nidoran evolves at Level 16.
Spearow evolves at level 20.
Horsea evolves at level 32
Larvitar evolves at level 30.
Dragonair evolves into Dragonite at level 55.
It evolves into pidgeot at level 36.
It evolves into Persian at level 28.
Level 18 it evolves into ledian
Krabby evolves at the same level as in firered and leafgreen. It is level 25.