sick cichlid

I have this replacement tank, for the tank whose stand gave up on life and I've been having problems ever since. The fish go pale and gasp for air at the water surface. Pleco and the rope fish are the only ones not doing this since they just get a bubble of air from the surface and use that for...

I’ve had my red devil four two months now, and he is about 5-6 inched long and I’ve had him for two months. He has a huge personality and is super aggressive (he always bites me bad) and was super active swimming in all areas of the tank until now. I’ve tested my water and the nitrates were a...