Weak toGroundWaterGrassIce ×1.6

Attacker	Type	Moveset	DPS
Kartana	GrassSteel	Razor LeafLeaf Blade	31.8
Inteleon	Water	Water GunHydro CannonLegacy	28.6
Kyogre	Water	WaterfallOrigin PulseLegacy	28.5
Groudon	Ground	Mud ShotPrecipice BladesLegacy	27.9
Roserade	GrassPoison	Magical LeafLeaf Storm	27.1
Kingler	Water	BubbleCrabhammer	27.0
Greninja	WaterDark	Water ShurikenHydro CannonLegacy	26.9
Zarude	DarkGrass	Vine WhipPower Whip	26.5
Excadrill	GroundSteel	Mud SlapEarthquake	26.5
Eternatus	PoisonDragon	Dragon TailDynamax CannonLegacy	26.3
Rillaboom	Grass	Razor LeafFrenzy PlantLegacy	26.2
Mamoswine	IceGround	Mud SlapHigh Horsepower	26.1

Clear boosts the Grass attacks above. Clear and Rainy boost Stunfisk.

Level 40, 15 attack IV, costed against Stunfisk's own defense and typing, one per evolution family.

Stunfisk's moveset, CP and shiny All counters Raid board

Questions people ask

What is Stunfisk weak to in Pokémon GO?

Stunfisk takes 1.6 times from Ground, Water, Grass and Ice.

What's the best counter to Stunfisk?

Kartana with Razor Leaf and Leaf Blade, worth 31.8 damage per second against Stunfisk's own defense. The full ranking is above.