Level 57
the best moves he can learn is hyper beam,fissure,earthquake,facade or hydro cannon (i think)
yes,camerupt will learn fissure it will learn it at Lv.55
Cubone can,
level 75
lv. 60
Goldeen, Gyarados, Whiscash, pretty much any Pokemon that looks like a fish.
Level 89 in the new Pokemon games
No, it is not able to learn Fissure.
Kadabra will learn it not sure when.
Lock on, Fissure, Horn drill, spore
In Pokémon FireRed the Fissure attack can be found as level-up moves that will be learned by Diglett and its evolution of Dugtrio, Camerupt, Barboach and its evolution of Whiscash and Groudon additionally Pokémon can learn it through breeding and the Pokémon that can learn it through breeding are Lapras, Swinub, Snorlax, Wailmer, Torkoal, Phanpy, Shellos, Spheal and Shieldon.
i dont know but i am absolutely very very very very very very very very very very very sure that you will find it in bulbapedia.com the best Pokemon website in the whole world.