no it doesn't
Gastrodon doesn't evolve.
Gastrodon evolves at level 30.
Level 30.
Gastrodon
WWWWRRRROOOONNNNGGGG!!!! It evolves into gastrodon at level 30!
Gastrodon doesn't evolve.
Shellos evolves into Gastrodon at level 30, but Gastrodon does not evolve.
Gastrodon evolves at level 30.
Level 30.
evolve shellos or route 218
Gastrodon
level 30
Gastrodon
When you level it up to level 30, it will evolve into a Gastrodon.
WWWWRRRROOOONNNNGGGG!!!! It evolves into gastrodon at level 30!
LVL 30 into a gastrodon.
Level 28