ceibal

I have 3 Red Ceibal. The largest one is 2 inch, and the other two are 1.5 inch. Lately, I notice some behavior change that may suggest that the big one is male, and the two small ones are females, but I am not certain. There has been no fighting, just some gill flaring between the big and the...

Got a male red Ceibal who recently began staying in a cave amongst some rocks in my 75 gallon tank, when he does come out to eat it seems he has a very difficult time keeping himself from sinking to the bottom, he seems to have to swim very hard to stay bouyant...could this be swim bladder...