Are jellyfish drinkable? (science illustrated jan/feb 2009)

This article was about if jellyfish could quench your thirst.In the article it said that it would not quench your thirst for a handful of reasons which are that the jellyfish have the tentacles that will sting you which if I'm correct is actually poison would be incredibly hard to remove and if you did do that the water in the jelly that makes ups 96% of it is just as salty as the water its in for buoyancy. But, according to research from the University of Washington if u took a jellyfish from water with a certain salinity into other water with a different amount of salinity after a while its body salinity will change so if you could remove the tentacles you may be able to slightly quench your thirst.