How Many Five-Banded Barb in a 40-Gallon Tank?
In a 40-gallon tank you can comfortably keep about 6–28 Five-Banded Barb. As a schooling species, never keep fewer than 6.
Why
Stocking is driven by adult size and waste output, not just fish count. Five-Banded Barb reaches about 2" with a moderate bioload, and needs 75–82°F water at pH 5.5–7. Always cycle the tank and test water before adding livestock.
| Adult size | 2" |
|---|---|
| Minimum tank | 20 gallons |
| Temperature | 75–82°F |
| pH | 5.5–7 |
| Temperament | Semi-aggressive |
| Schooling | Yes — group of 6+ |
| Diet | Omnivore |
| Care level | Moderate |
| Origin | Southeast Asia |
More fish for a 40-gallon tank → Five-Banded Barb tankmates →