It can only breathe oxygen that has dissolved in water, so it wears a water bubble on its head when it walks around on land.
Stats
Attack: 40
Defense: 52
HP: 38
Sp. Attack: 40
Sp. Defense: 72
Speed: 27
Profile
Type: Water, Bug,
Ability: Water Bubble, Water Absorb,
Egg: Water 1, Bug,
Gender: 50:50
Weight: 4 kg
Height: 0.3 m
