how long could they last like that?

Also, they would NOT allow that as a carry on, as there is too much liquid. Do you think they would make it in checked luggage, I don't. Is there some special shipping service for this type of thing?

I have a 175 gallon fish tank that I was thinking about setting up salt water. I wonder if I could bring fish back from Florida on one of my trips...humm.

Now you have my wheels turning, another expensive hobby.