How do i know when my fish need a bigger tank?

Question

i have a 25 gallon tank with a blood parrot , a jack demp. and 2 other parrots that haven't grown since i got them 3 years ago... but the blood parrot and the jack demp. are growing, how do i know when i should get a bigger tank?

Answer 1

Jack dempsey needs a much larger tank than a 20 gallon.

They can be a foot and a half long, easily.

For the blood parrot and dempsey you would need at least a 75 gallon tank.

Answer 2

If they can't conquer the world in their current tank, I suggest you get a new one. Buy one from the Army cheap.