You can't you ave to get someone to give one to you by trading.
yes you can catch a Manaphy on emerald. (if you have a game shark)
You will need a manaphy, unobtainable in soulsilver. Take the manaphy and a ditto to the day care, after some time they will breed, the egg contains... Surprise! Phione!
You cannot evolve Flaafy into Manaphy. Flaafy only evolves into Ampharos, and Phione only evolves into Manaphy.
You can not catch a manaphy on Pokemon diamond. you must trade it somehow on a Pokemon rangers game.
You'll Have To Catch It With A Pokeball.
you can't catch manaphy on any game you must have the manaphy egg from the secret mission on Pokemon ranger. (you can see manaphy in trophy garden room where the fat guy and the butler is)
No, you cannot catch Kyogre in "Pokémon SoulSilver."
You can't catch bastiodon in Pokemon soulsilver.
There is no in-game Phione (or Manaphy) in SS; you must trade it.
The only legendary eggs you can get in SoulSilver are Phione eggs. You get these by breeding Manaphy at the day-care with a Ditto. You get a weird looking egg which hatches into Phione. Phione doesn't evolve into Manaphy.
A Manaphy is not available in the wild in the Pokemon world. You must trade a Manaphy Egg from Pokemon Ranger.
No, you can not catch Phanpy in SoulSilver. It is a version exclusive to HeartGold.