Hello. I bought a 65 gallon aquarium off of craigslist. The livestock came with it. I'm trying to find out what kind of fish I have. I am also not entirely sure that the fish are compatible with each other. Any help would be greatly appreciated. This is a tinfoil barb, red zebra cichlid, and a red-tailed shark Not sure what the upper left one is, kenyi cichlid, oscar electric blue cichlid, not sure what the orange one is, tin foil bard, and rosy barb There's also a blood orange parrot. Here's a listing of the fish: oscar, blood-orange parrot, tin foil barb, 3 rosy barbs, electric blue, orange fish not sure of, and another type of ciclid I'm not sure of. There's two HOB filters in the tank aqua clear 70 and a large tetra whisper. Should I add salt to the water? Is the tank overstocked?