Sadly, Deoxys does not appear in the wild in Diamond nor Pearl. If you have the Nintendo DS Lite or earlier, you can transfer it from one of your GBA Pokemon games.
YOU need Pokemon ranger for that YOU need Pokemon ranger for that
you can not catch it you can only get it from a trade
next to Pokemon cntre in hearthromw city
In the Great Marsh at Pastoria City
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Deoxys...
Deoxys Can't Breed!!
Deoxys is not a wild Pokemon in SoulSilver. Deoxys has to be traded into the game in order for you to get it. Deoxys can also be received by event, and one recently took place in Japan for Deoxys.
you have to get more then 45 gym to catch legendary Pokemon! deoxys is a legendary Pokemon
You don't get a Shiny Deoxys from a man. You'll need to get Deoxys in Pokemon FireRed, LeafGreen, or Emerald. It is extremely hard to get a Shiny Deoxys.
You do not catch deoxys in Pokemon ranger shadows of almia.
Team Galatic's HQ.