Lately my arowana has been a bit aggressive towards my flagtail and goes...Do you guys know what the best dither fish are for this sort of tank..Tank has enough space for dithers..I have one asian aro , 5 geos , one ray , and two bichirs..Thanks and awaiting your reply..
P.S tank is 10' by 3' by 3'
P.S tank is 10' by 3' by 3'