The Flying Spotted Jellyfloat is a member of the Jellyfloat Family that appear in Hey! Pikmin. It is a blue Jellyfloat with light blue spots.
While the others Jellyfloats will try to inhale your Pikmin and digest them, the Flying Spotted Jellyfloat will try to squish Pikmin that try to walk under it.
Hey! Pikmin log
"Most of the time, it floats peacefully in mid-air, but it will not hesitate to squish any threats. My wife has a similar "mama bear" quality to her.