Because its name is manaphy
Manaphy is a legendary Pokemon that is very special. It is 80% water and its special move, only known by Manaphy, is called Heart Swap. To get a Manaphy it must be hatched and can't be caught in the wild. You can use an Action Replay to get it in Diamond or Pearl, but otherwise it must be received in Pokemon Ranger and transfered over to Diamond or Pearl. It cannot breed another Manaphy, but instead it will breed a Phione. Phione does NOT evolve into Manaphy!
You can get a manaphy in manaphy cave
go to manaphy.com and click on get manaphy. it tells you how to get manaphy.
In Pokemon Diamond, the Pokemon called Phione is only obtainable by breeding the Pokemon called Manaphy. Manaphy must be obtained in another game, Pokemon Ranger, and then transferred into Pokemon Diamond.
manaphy
no because manaphy isn't able to evolve just like the other legendaries. but there is another Pokemon like it its called phione! hopethis helps
Manaphy and Blastoise cannot breed. Manaphy can only breed with ditto or another Manaphy.
manaphy is stronger
Again,Manaphy Egg!!!
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cosigo as the egg of manaphy? cosigo as the egg of manaphy?
Nothing evolves into Manaphy or from it and Manaphy is a legendary and legendaries never evolve.