I got a qwillfish from iron island and im wondering how to evolve it (If it does) and another question is when or how does Aron evolve?

what lvls do these pokemon evolve in pokemon emerald poochyena into mightyena what lvl? ninun marshtomp and aron if u have a site that would be great too best answer will be given!!!

I have a Swampert (kicks ass) Aron (will be very strong) Kirlia (decent psychic makes a grea one when it evolves) Crobat (strong flying beats swellow any day) and a camerupt These are some of the best of their types in emerald (that aren&#...