I tried them last year. I picked them up east of Fort Worth and drove them back home in an oxygenated freezer that I rigged up. They made the 250 mile trip with little problem. Here is what I found. They need highly oxygenated water and don't like cold temps. This is where I got them
http://www.aquacultureoftexas.com/Grow but will not reproduce, they need brackish water for that.
Good luck
