Can Cardinal Tetra Live With Rummy-Nose Tetra?
Cardinal Tetra and Rummy Nose Tetra are compatible. Temperature overlap 75–81°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Rummy-Nose Tetra | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 75–82°F | 75–81°F ✓ |
| pH Range | 4.5–6.5 | 5.5–7 | 5.5–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 2" | Similar ✓ |
| Min Tank Size | 11 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Tank Requirements for Cardinal Tetra + Rummy-Nose Tetra
To keep Cardinal Tetra and Rummy-Nose Tetra together, you need at minimum a 20 gallon tank. Cardinal Tetra should be kept in a school of 8+. Rummy-Nose Tetra should be kept in a school of 10+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Cardinal Tetra
Paracheirodon axelrodi
The Cardinal Tetra (Paracheirodon axelrodi) is a beginner freshwater species known for its blue, red coloration. Brighter color than neon tetra. Mid to Lower-Mid.
Full care guide →Rummy-Nose Tetra
Hemigrammus rhodostomus
The Rummy-Nose Tetra (Hemigrammus rhodostomus) is a intermediate freshwater species known for its silver, red (head), black/white (tail) coloration. Red nose indicates water quality. Mid.
Full care guide →