2 will work in 100 gallons... it says 1 oscar for 55gal... 2 for 70 gal.. but i think the dimensions of the tank is very important.
But I know someone with 3 oscars in 100 gall.. all are FULL GROWN, no gill curling, no scale loss, very beautiful fish, BUT his filtration is well above the average.
And he does water changes weekly and feeds then very expensive food.
But I know someone with 3 oscars in 100 gall.. all are FULL GROWN, no gill curling, no scale loss, very beautiful fish, BUT his filtration is well above the average.
And he does water changes weekly and feeds then very expensive food.