i have two flowerhorn .......i think they are male and female they r abt 3 inch both of same batch male having small hump on his head they r in same tank with a glass divider..today i just removes the divider to see reaction i saw that they r lip locking and not fighting at all they swim together but do not fight what do u think guys they are breeding or its normal because i heard that they are aggressive and do not stay together