Can flowerhorn and parrot fish live in the same tank?

I would not suggest you to do so. Flowerhorn are territorial and dominant fish, the same as parrot or blood parrot fish. You can keep them only if you have a fish tank that is above 3ft long and 2ft wide and has a lot of hiding places, but that is not advisable. read more

The basic rules for keeping fish successfully are :- 1 inch of fish needs at least 1 gallon of water. (A Flowerhorn needs at least 10 gallons) Every tank needs a permanently running cycled filter. :- Every tank needs at least 50% of its water replaced every week. read more