I have sexed my frog (at least I think) He is actually a she and I read that they do better in pairs. Is this true and is this a good idea. I have placed my Koi in a pond so now there are 2 comets and 2 blue gourami 4 goldfish and an algae eater as well as the frog. She seems very lively and eats everthing I put in the tank. She really enjoyed the ghost shrimp treat last night. Just want everyone to be happy <>< Oh and I contacted the guy that I bought the tank from and it is actually 170 gallon custom built tank. Kind of an odd size?!