Welcome to PB, USMC! I also can't answer you question but I'm sure you'll get plenty of great responses. I would think though that it would be a great field to get into. It seems like the number of private ponds is growing rapidly. UC Davis here in California is very much into Aquaculture, check out this info..

http://aqua.ucdavis.edu/default.html

Just to see where the career can lead check out Bob Lusk's blogs if he doesn't live an adventureous life then no one does! I always read them just to see where in the world he is today!

JHAP
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"My mind is a raging torrent, flooded with rivulets of thought cascading into a waterfall of creative alternatives."
...Hedley Lamarr (that's Hedley not Hedy)