How Many Agassiz's Dwarf Cichlid in a 20-Gallon Tank?
In a 20-gallon tank, plan on about 1–2 Agassiz's Dwarf Cichlid, leaving room for tankmates and filtration headroom.
Why
Stocking is driven by adult size and waste output, not just fish count. Agassiz's Dwarf Cichlid reaches about 3" with a moderate bioload, and needs 73–82°F water at pH 5–6.8. Always cycle the tank and test water before adding livestock.
| Adult size | 3" |
|---|---|
| Minimum tank | 20 gallons |
| Temperature | 73–82°F |
| pH | 5–6.8 |
| Temperament | Semi-aggressive |
| Schooling | No |
| Diet | Omnivore |
| Care level | Moderate |
| Origin | Amazon basin |
More fish for a 20-gallon tank → Agassiz's Dwarf Cichlid tankmates →