I think the mexican turbo that's been cruising around my tank might be dead or dying. He hasn't moved from one part of the tank just sitting on the sand bed for almost 2 days. He has a.. net, for lack of a better word, of white junk that's hanging down from in between his shell and his body. Earlier today after a light prod, he sucked himself back up into his shell and hasn't come out since. Been in the tank for a couple weeks now and seemed happy and healthy up until yesterday. Water parameters are all normal. I'm reluctant to believe he's dead since my hermits and my shrimp aren't interested in him at all. \n\n\nsick? normal weird snail behavior? What can I do to help?