How Many Rosy Red Minnow in a 125-Gallon Tank?
In a 125-gallon tank you can comfortably keep about 6–52 Rosy Red Minnow. As a schooling species, never keep fewer than 6.
Why
Stocking is driven by adult size and waste output, not just fish count. Rosy Red Minnow reaches about 3" with a moderate bioload, and needs 50–72°F water at pH 6.5–8. Always cycle the tank and test water before adding livestock.
| Adult size | 3" |
|---|---|
| Minimum tank | 20 gallons |
| Temperature | 50–72°F |
| pH | 6.5–8 |
| Temperament | Peaceful |
| Schooling | Yes — group of 6+ |
| Diet | Omnivore |
| Care level | Easy |
| Origin | North America |
More fish for a 125-gallon tank → Rosy Red Minnow tankmates →