How Many Shell-Dweller in a 125-Gallon Tank?
In a 125-gallon tank, plan on about 1–2 Shell-Dweller, leaving room for tankmates and filtration headroom.
Why
Stocking is driven by adult size and waste output, not just fish count. Shell-Dweller reaches about 2" with a light bioload, and needs 75–82°F water at pH 7.8–9. Always cycle the tank and test water before adding livestock.
| Adult size | 2" |
|---|---|
| Minimum tank | 15 gallons |
| Temperature | 75–82°F |
| pH | 7.8–9 |
| Temperament | Semi-aggressive |
| Schooling | No |
| Diet | Carnivore |
| Care level | Moderate |
| Origin | Lake Tanganyika |