No, but you can catch one in Emerald after the Pokémon League.
Houdoom is best know for being a Pokemon featured in Pokemon Soul Silver. A person can catch Houdoom by visiting Route 7 during the night time, at level fifteen.
You can't catch Zekrom in Ruby version.
You can't catch a sentret in Ruby version, but you can catch one in Emerald version.
You cannot catch Ponyta in Ruby version, nor Sapphire version. You much catch it in Fire Red or Leaf Green and then trade it to Ruby or Sapphire.
No you can't catch darkrai in ruby unless you hack (witch i do not recommend)
You have to trade them from the Sapphire version of the game.
master ball
We get vulpix in MT.PYRE
in ruby you can only catch groundon, and sapphire you can catch only kyogre, emerald you can do both though. o and raquazya is in all 3
No you cant you can only get it in ruby version.
You have to trade with another version of pokemon.
Trade from emerald/ruby/sapphire.