In the desert. (No really, simple logic in the water!)
You get the choice if a Turtwig Torchic or a water Pokemon at the start of Diamond
you can find one while mining
you find lumieon in the water in floweroma town the Pokemon that you have to use is butgresse
You can find Pidey in a Pokemon Outbreak in Pokemon Diamond
Find it while surfing or fishing with the super rod in most water areas.
you can find them underground if u look long enough
But if you want a water stone, trade one over from firered/leafgreen on a Pokemon or you can find one in the underground.
fish by canalave with super rodA trainer has it on the way to the Pokemon league in the water
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.
yes you can
you can't you have to get poliwhirl and then use a water stone on it [which is underground]
where do i find a totodile in Pokemon diamond/pearl on nintendods