Sneasler's Weaknesses

Best Counters

Sneasler is especially weak against Psychic type Pokemon, they will deal 4x damage to it!

The types that are strong against Sneasler are Psychic, Flying, Ground type Pokemon.

For the best defense, Ghost types have very effective defense against Sneasler, and will be resistant to damage from Sneasler's STAB attacks:

Weaknesses

Sneasler's type is Fighting and Poison.

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

Sneasler has a weakness to Psychic, Flying, Ground types. These Pokemon types will be strong against Sneasler, causing Sneasler to take a super effective quadruple (4x) damage from Psychic type attacks, and causing Sneasler to take a super effective double (2x) damage from Flying and Ground type attacks.

Please keep in mind that Sneasler is resistant to attacks from Bug, Dark, Fighting, Grass, Poison, Rock types, and these attacks are not very effective and cause reduced damage, so they should be avoided.