Gastrodon West Sea's Weaknesses

Best Counters

Gastrodon West Sea is especially weak against Grass type Pokemon, they will deal 4x damage to it!

The type that is strong against Gastrodon West Sea is Grass type Pokemon.

For the best defense, Grass types have very effective defense against Gastrodon West Sea, and will be resistant to damage from Gastrodon West Sea's STAB attacks:

Weaknesses

Gastrodon West Sea's type is Water and Ground.

Gastrodon West Sea is especially vulnerable to Grass attacks, it will receive a super effective four times (4x) the amount of damage! Since Grass type Pokemon are especially strong against Gastrodon West Sea, you should attack with this type of Pokemon.

Gastrodon West Sea has a weakness to Grass types. These Pokemon types will be strong against Gastrodon West Sea, causing Gastrodon West Sea to take a super effective quadruple (4x) damage from Grass type attackscausing Gastrodon West Sea to take a super effective double (2x) damage from attacks of those types.

Electric type attacks will have no effect on Gastrodon West Sea, as Gastrodon West Sea is immune to this type of damage! Please avoid these types of attacks.

Please keep in mind that Gastrodon West Sea is resistant to attacks from Fire, Poison, Rock, Steel types, and these attacks are not very effective and cause reduced damage, so they should be avoided.