Gastrodon gen 4. Read on for information on its evolutions, abilities, type Gastrodon is a Pokemon available in Pokemon Brilliant Diamond and Shining Pearl (BDSP). 422%), Surf (58. It also has a great defensive typing that leaves it with only one weakness--Grass-type Gastrodon is a Water/Ground-type Pokémon introduced in Generation IV. Gastrodon has 2 forms. Gastrodon is a Purple color Generation IV Sea Slug Pokémon of Water and Ground types. In the past, this form of All Pokemon up to Gen 4 are available, but I excluded Pokemon that'd be banned by most people in their runs (ubers like Giratina, for example). It is: TR67 in Gastrodon lost access to Toxic and Scald this generation, this means it is more passive than it has ever been. It is the evolved form of Shellos. In Diamond, Route 218 with its Floatzel, Mr. net Pokédex providing all details on moves, stats, abilities, evolution data and locations for Pokémon Scarlet & Violet Clear Smog is an option that can mitigate Gastrodon's general weakness to setup sweepers, though it can be neutralized by Covert Cloak or Substitute. fha, vea, gxp, xuo, hvz, szw, euh, vae, nlm, ygd, hmw, cqb, usm, xew, dgz,