Will be wading the flats around Big Torch Key the end of May. I have never been to the Florida Keys, I know about sting rays but what else if anything should I be on the look out for or be ready to respond to/treat? what precaustions if any are reasonable. I heard something about jelly fish? I have run into them in Belize but their bite was little more than a bee sting, are the jelly fish on the flats in the lower keys worse? and what else should I worry about or be prepared for? Thanks in advance, again!