Sorry to hear that Smitty....once you get past the outrage and anger stage then you must start looking at the crime's with logic.
first: Since you have two incidents you need to figure the possible
time and date for each, what tools if any were used and the strength it took to carry off the fish and pull up/wreck the pen. Is someone dumping the fish back into the ocean or taking them for their own use to use for bait. A gated community sounds rather small to narrow down a list of suspects of fishermen or perhaps a member of peta. Its obviously someone who has a personal vendetta or an axe to grind with you or perhaps a lack of money.
Someone may have approached the dock by boat in the night and knows that the fish are there ->HOW? Or is it because they were fishing off the dock.So start writing down all the clues you have and enlist the help of neighborhood watch or another gate.
A final note: In order to get finger prints post a no trespassing sign so you will have the legal right to prosecute trespassers.
In any crime there are always clues left behind somewhere.
