Hello everyone! I have a 75 gal. tank with a small Southern painted turtle, 2 Fiddler crabs, 2 Mystery snails, 3 Emerald Cory catfish, 3 Pictus catfish, 3 Tetras and a Loach. I had also put 8 Ghost Shrimp in the tank when I set it up, but I'm not sure how many there are now because the turtle...