i currently have 12 in my 135g...3 altums and 9 %80 wild brazilian scalares in a planted tank. still doesnt look overstocked. 10-12 adults should be fine in your 140
i currently have 12 in my 135g...3 altums and 9 %80 wild brazilian scalares in a planted tank. still doesnt look overstocked. 10-12 adults should be fine in your 140