One of the things that I found fascinating was how the crocs can live in harmony with the koi fish. Maybe they fed the crocs well, or the koi taste bad. :) I'd be living in fear if I were the fish.
The entry fee for all three of us was 6600 FT. I think about the same price if you go to the zoo. Perhaps we'd go there often just to see how the sharks are doing. :)