Rhydon is not able to evolve in FireRed.
evolve rhyhorn you get it in the safari zone
you cant evolve rhydon in fire red because the "protector" wasn't incorperated into the games until diamond/pearl
Rhydon, in Pokemon FR/LG, does not evolve.
Rhydon cannot evolve in Pokemon Silver/Gold/Crystal.
Rhyhorn Evolves into a Rhydon at lvl42. And Rhydon Evolves into Rhypherior (Games Black/White onwards) When it's traded while it's wielding a Protector Good Luck!!
No, Rhydon doesn't evolve in Pokémon Sapphire.
You cannot get the protector to evolve Rhydon in Pokemon Red version, because Rhydon's ability to evolve with a protector into Rypherior is only available in the latest versions: Pokemon Diamond, Pearl, and Platinum. It is impossible to even get a protector in Pokemon Red version, let alone evolve Rhydon.
to evolve rhydon you need a protector. I think you can get one on stark mountain. Then you have to give it to Rhydon and trade with a friend.
Rhydon evolves when the "Protector" is held and the Pokemon is traded.
Trade your rhydon while it is holding a "protecter".
no you can evolve rhydon
Basically Rhydon doesn't evolve on a certain level. You need to have Rhydon hold a Protector and Trade it, with a another person.