in front of the victory road there's a lake, you must use super rod to find corsola. then catch it wtih ultra ball
trade ruby or sapphire
You can only get a Corsola by trading it from Ruby, Sapphire, or Emerald. You can find Corsola in RSE by fishing in Route 128 (super rod), and by fishing at Ever Grande City (super rod)
Sadly, you can't catch Groundon is the Sapphire Version, however you can in the Ruby version, you will find him in the same place you find Kyorge in the sapphire version.
Route 115
Corsola is a rock and water type of Pokemon. You can find it in various places, such as Route 128.
Murkow can't be found in the wild in Sapphire version. You have to trade from Fire Red or Colosseum.
You must trade from LeafGreen version.
In the waters of the safari zone
Diglet cannot be found in sapphire only if you trade from other version.
You can't, you have to migrate it from Pokemon Emerald, Sapphire or Ruby version.
You can not find it !!! Only with a cheat!!!
Yes, Pokemon Sapphire version is the version in which you can catch Latias. You can only find it once you have beaten the Pokemon League, then there is a report of a legendary red flying Pokemon in Hoenn. Latias appears randomly.