I have a level 73 Golduck, and it pwns fairly well. All water types are good with the right moves. mine for instance are: Hydro Pump, Surf, Focus Blast, and Waterfall.
It is good against Fire, Ground, and Rock.
Barboach can be caught using the Good Rod in many bodies of water in Pokemon Diamond. One of the areas where it is easy to find with the Good Rod is the Great Marsh.
Well, there isn't really any ''good'' water Pokemon. Legendaries are always strong, and a great one is kyrogue, which you can get in Pokemon emerald. It really all depends on which moves the Pokemon knows
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
no