I have a 8 Gallon Bio Cube with several different types of fish in it, long story short. Yesterday I added 2 Red Platties and 2 Sun Tail Platties, since this time my rather tame Ruby Shark has become a very aggressive tank mate towards his new tank mates and these new mates only. So my question is, is there anything I can do to decrease this behavior or should I start looking to get a bigger tank?
Prior to this, I had 2 Dalmation Mollies, 2 Cory Cats, 1 Male Betta and 1 Ruby Shark with plants and a hiding place for the Ruby Shark and Cory Cats.
Prior to this, I had 2 Dalmation Mollies, 2 Cory Cats, 1 Male Betta and 1 Ruby Shark with plants and a hiding place for the Ruby Shark and Cory Cats.