You can look up the pokedex for the hoenn region
He is a generation 4 pokemon, and therefore not obtainable in emerald
you can only get cherish balls on event Pokemon they are not obtainable
There are about 386 possible pokemon that can be obtained in Pokemon Ruby. The list is too large to be listed here. Instead, refer to the related links section for a website that has the entire list.
The Ragecandybar is not obtainable in FireRed and LeafGreen.
Serebii.net
You can look up the pokedex for the hoenn region
Reshiram and Tornadus are found in black ONLY.
Actually, Emerald version (along with R/S/FR/LG) has 386 Pokemon and if you have a look at a R/S/E/FR/LG pokedex you'll see all the areas
You have to trade 'em from FR/LG.
High Leveled versions of Magneton and other obtainable Pokemon from previous areas in the game, but the Pokemon worth mentioning who is obtainable in the cave is Mewtwo.
It is possibly obtainable.
No it is not
No, Vibrava is not obtainable in the first Pokemon Ranger.
First of all its called Deoxys and its only obtainable through Nintendo Events
Celebi is not obtainable in any games, but is obtainable from the Colosseum Bonus Disc in Japan or form a Pokemon event distributing Celebi.
In Pokemon Ranger you need to capture Pokemon all around Fiore, some might hide behind obstacles and some are not, also you can do capture challenges to obtain Pokemon, Use target clearing on a Pokemon that turns into it becomes alive, some might be obtainable after game completion, If you have captured 209 or 212 with ranger net missions you can get Snorlax, the Pokemon with ranger net are "Deoxys, Celebi and Mew". In Pokemon Ranger Shadows of Almia you need to capture Pokemon all around Almia, some might hide behind obstacles and some are not, Use target clearing on a Pokemon that turns into it becomes alive, some might be obtainable after game completion, some might be obtainable after you complete the quests, some might be obtainable underwater, If you have captured 266 or 269 with ranger net missions you can get Regigigas, the Pokemon with ranger net are "Dialga, Palkia and Shaymin". In Pokemon Ranger Tracks of Light you need to capture Pokemon all around Oblivia, some might hide behind obstacles and some are not, Use target clearing on a Pokemon that turns into it becomes alive, some might be obtainable after game completion, some might be obtainable after you complete the quests, some might be obtainable underwater or in the sky, some might be obtainable with ranger signs, some might be obtainable when you use roar, some might be obtainable in the past, some might be in the island of bosses, If you have captured 300 or 305 with ranger net missions you can get Lugia, the Pokemon in ranger net are "Heatran, Shaymin, Giratina, Dialga, Palkia and Arceus".