Cloud-Swimming Creature (CR +0)
This simple template can only be applied to creatures with the aquatic subtype. Cloud-swimming creatures swim through air instead of water.
A cloud-swimming creature's quick and rebuild rules are the same.
Rebuild Rules: Type lose the aquatic subtype, gain the air subtype; Speed Swim the Sky (Ex) This creature can swim through the air as if it were water. While doing so, the creature uses its normal swim speed, and counts as if it were swimming, not flying. Environment any aerial.