Golduck does not evolve.
pidgeotto will evolve at level 36
Ghastly will evolve at level 20.
It will evolve at level 20.
Gyarados doesn't any further on Pokemon FireRed.
Rhydon is not able to evolve in FireRed.
Electabuzz is not able to evolve in FireRed.
You evolve it at level 20
Golduck does not evolve.
Rattata will evolve at level 20.
pidgeotto will evolve at level 36
Ghastly will evolve at level 20.
level 26
Crobat doesn't evolve.
It will evolve at level 20.
Gyarados doesn't any further on Pokemon FireRed.
Dragonair evolves at Level 55 in Pokémon FireRed.