To defeat Gastrodon in Pokémon Ranger, use a Pokémon with Water-type moves, as Gastrodon is weak to Grass-type attacks. Utilize your Capture Styler effectively to encircle Gastrodon and weaken it. Be mindful of its attacks, and avoid getting hit while you attempt to capture it. Timing and strategy are key to successfully capturing it without getting knocked out.
Gastrodon, find them in boyle volcano and in different places. Usually in hot climate.
squirtle is number 76 in Pokemon ranger.
in Pokemon ranger shadows of almia... you have to defeat regigigis and finish all of the special missions
Gastrodon is a Water and Ground type pokemon.
Get Minum and you will get electricity power. Use this power to defeat the grimers.
In Pokémon Ranger: Shadows of Almia, you can obtain Gastrodon by capturing it in the area known as the "Almia Aquarium." Specifically, you'll find it in the waters of the aquarium after you've progressed far enough in the game. Use your Capture Styler to draw circles around Gastrodon to capture it successfully. Be sure to have enough Capture Line to avoid losing it during the process!
after you defeat the Rapardos @ Perl cave
Garchomp and Gastrodon
Gastrodon
If you go to the pokedex, select Gastrodon and touch AREA, it will show you.
To get a Manaphy in Pokemon Diamond you have to get Pokemon ranger and defeat it and you have to trade it to Pokemon Diamond,Platinum or Pearl.
You can either catch a Shellos or you can find a Gastrodon in water areas I think.