What type is Tentacool?

Tentacool is a dual Water/Poison type Pokémon.

What is Tentacool weak to?

Tentacool is Water/Poison. It takes 2× from Electric, Ground and Psychic.

No. 0072 · Gen 1

Calm: Raises its best defense and drops Attack, which it won't use.

Hit TENTACOOL with Electric, Ground and Psychic for 2× damage.

2×Super effective

½×Not very effective

In Pokémon GO: Electric deals 1.6× instead of 2×. GO chart

CalmRaises its best defense and drops Attack, which it won't use.

Worked out from base stats. Your team may need something else.

Defeating Tentacool gives 1 Sp. Def EV.

Your game

TentacoolWaterPoison

The strongest attacking move it can learn in each type, across all games. Not every game has every move. Same-type moves get a 1.5× bonus.

Type	Move	Kind	Power
Normal	Skull Bash	Physical	130
Poison	Gunk Shotsame type	Physical	120
Water	Hydro Pumpsame type	Special	110
Ice	Blizzard	Special	110
Dark	Throat Chop	Physical	80
Fairy	Dazzling Gleam	Special	80
Grass	Giga Drain	Special	75
Ghost	Hex	Special	65
Ground	Mud Shot	Special	55
Bug	Pounce	Physical	50

Regular Pokémon whose same-type moves hit it hard and who take little from its same-type moves. Picked from types and base stats only, not movesets.