i really dont know whats wrong i just noticed it today but i see the fish constantly going to the top of the water sticking its head out of the water then spazing out all over the place while bubbles from the air it just sucked it come out of its gils. any idea it looks like something is eating away at it. ill post pics if i need to but can anyone help from just this info. all water levels are fine too i got 2 angels 2 male dwarf gouramis (they dont fight) 3 balloon mollies 2 bamboo shirmp and 1 ghost shrimp