User can turn into a fish

Pros:
-user can breathe underwater
-user can make skin scales
-user can make fins appear in human form
-user had gils
-user is flexible

Cons:
-user can't see well (can't see for s**t)
-user can't make fins appear for long
-user can't stay underwater for long
-user can breathe well underwater

Weakness: long periods on land
User will flop around and die, that's it