How Many Bleeding Heart Tetra in a 55-Gallon Tank?
In a 55-gallon tank you can comfortably keep about 6–18 Bleeding Heart Tetra. As a schooling species, never keep fewer than 6.
Why
Stocking is driven by adult size and waste output, not just fish count. Bleeding Heart Tetra reaches about 3" with a moderate bioload, and needs 73–82°F water at pH 5.5–7. Always cycle the tank and test water before adding livestock.
| Adult size | 3" |
|---|---|
| Minimum tank | 30 gallons |
| Temperature | 73–82°F |
| pH | 5.5–7 |
| Temperament | Peaceful |
| Schooling | Yes — group of 6+ |
| Diet | Omnivore |
| Care level | Easy |
| Origin | Amazon basin |
More fish for a 55-gallon tank → Bleeding Heart Tetra tankmates →