How Many Green Neon Tetra in a 10-Gallon Tank?
In a 10-gallon tank you can comfortably keep about 8–33 Green Neon Tetra. As a schooling species, never keep fewer than 8.
Why
Stocking is driven by adult size and waste output, not just fish count. Green Neon Tetra reaches about 1" with a light bioload, and needs 75–84°F water at pH 4–6.5. Always cycle the tank and test water before adding livestock.
| Adult size | 1" |
|---|---|
| Minimum tank | 10 gallons |
| Temperature | 75–84°F |
| pH | 4–6.5 |
| Temperament | Peaceful |
| Schooling | Yes — group of 8+ |
| Diet | Omnivore |
| Care level | Moderate |
| Origin | Negro and Orinoco basins |
More fish for a 10-gallon tank → Green Neon Tetra tankmates →