Where do you find sharpedo in platinum?

Answer 1

In Pokemon Ruby, Sapphire and Emerald Sharpedo can be found in a lot of Routes with the Super Rod. Most of these Routes that you can find Sharpedo in with a Super Rod are Routes 122 to133.

Answer 2

You must evolve Carvanha.

Carvanha can be fished at the Great Marsh after getting the National Pokedex. Level it to 30 and it'll evolve into Sharpedo.