In which episode was Poké mon Lightness acquired?

BW0 10: Poké mon floating lightly. Arms as light as gauze can entangle each other's bodies and paralyze each other with toxins. It is said to be a kind of Poké mon, whose habitat is in the deep sea with a water depth of 8000 meters.

BW037: Poké mon floating lightly. Will bind each other with gauze-like arms and paralyze their prey with venom.

Musashi's relaxing time should be "Alice and Fang!" Go to the Taxus Institute! Start a new trip! ! "Between ...