Life-saving appliances (Patreon)

When in contact with water, gel body start to absorb liquid through latex skin membrane slowly, that eventually make swimming.. quite difficult, with those huge floats.
Jelly soaked with water become more translucent, acting like a lens under the bright sun, and much, much more voluminous. Even a lightest touch to taut jellyshark's skin makes the whole swollen body wobble, with waves echoing through living gel under the judging look at you.. Or maybe, inviting look?  
Beware of venomous fangs~