EmrePekdeniz;4845386; said:You do amuse me. The tank is 500 liters with 100 gallons of water, i.e. ~3/4 full. It has never been 1/3 full, except when there were no fish in it. Sorry, your memory fails you.
And a triangular tank doesn't create dead ends for an arowana, unless you have a very odd tank with obtuse angles.
I see, I'm sure you'll be fine then.
