The flowerhorn is not a natural breed:
1.look for the flowers(spots) line along the body.
2.check the shape of the body because flowerhorns have a prominent but short body.
You might go wrong because a baby devil chichlid also looks the same, then you have a wide range of midas chichlid.
For living some protiens r not achieved thru normal food so they try live feed but generally I preffer chicken heart not liver but cleaning is necessary without fat and some prawns
See for wrinkles on the fore head some times you find them this shows the signs of hump which was there and due 2 some reason has shrunk
look for the parents of the babies the babies inherit their parents characteristics