They're are many ways to get or catch a water Pokemon in Pokemon Diamond. You could get a fishing rod from a fisher man, obtain the HM Surf and use above water to encounter a wild water type Pokemon, trade someone or migrate a water type Pokemon from your old GBA games. Peace.
Pokemon diamond Pokemon diamond Pokemon diamond
it depends on the pokemon.....example:i have a Pikachu its weekness is water,i have a Piplup is weekness is ice.....
Turtwig (grass) Chimchar (fire) Piplup (water)
To get the Pokemon Poliwrath in Pokemon Diamond version you have to evolve a Polywhirl. To do this, you need to expose it to a water stone.
You trade Magmar from Pokemon pearl,diamond,or platinum to ether Pokemon pearl,diamond,or platinum.
Remoraid is a pokemon(water type)
swampert miltic
evee
to evolve certain Pokemon
You have to get a manaphy from Pokemon ranger and breed it
In Diamond, you can obtain a Water Stone in the underground in Sunyshore City.
anywhere there is water
1 in a million chance
in Pokemon diamond it is in were the elitle four thing is outside in the water. and that route after it were shaymin is. but you have to use a rod.
evolve the water starter
Most likely to be in water
gyrados