mean

I am really hoping someone can help me out! I started out with two platys (one male, one female) and one black molly(female). the molly got cotton mouth and spread it to the platys and in healing them I noticed my black molly becoming “annoying” to the male platy. not even aggressive, just...

I think I am in favour of rehoming but I need advice.   Many cichlids in my tank are 6-10 years old. One of the babies grew up into a big, mean nasty fish and he now rules the tank. He is gorgeous (the photos don't do him justice) but he is absolutely ruthless. He plucked out the eye of another...