How Many Convict Cichlid in a 40-Gallon Tank?
A 40-gallon tank suits 1 Convict Cichlid. This species is territorial and is best kept singly unless the tank is large enough to break up aggression.
Why
Stocking is driven by adult size and waste output, not just fish count. Convict Cichlid reaches about 5" with a heavy bioload, and needs 74–82°F water at pH 6.5–8. Always cycle the tank and test water before adding livestock.
| Adult size | 5" |
|---|---|
| Minimum tank | 30 gallons |
| Temperature | 74–82°F |
| pH | 6.5–8 |
| Temperament | Aggressive |
| Schooling | No |
| Diet | Omnivore |
| Care level | Easy |
| Origin | Central America |
More fish for a 40-gallon tank → Convict Cichlid tankmates →