Can Cardinal Tetra Live With Congo Tetra?
Cardinal Tetra and Congo Tetra are compatible. Temperature overlap 73–81°F. Both peaceful.
Conditions: Minimum 30 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Congo Tetra | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 73–82°F | 73–81°F ✓ |
| pH Range | 4.5–6.5 | 6–7.5 | 6–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 3.3" | Similar ✓ |
| Min Tank Size | 11 gal | 30 gal | 30 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Tank Requirements for Cardinal Tetra + Congo Tetra
To keep Cardinal Tetra and Congo Tetra together, you need at minimum a 30 gallon tank. Cardinal Tetra should be kept in a school of 8+. Congo Tetra should be kept in a school of 6+. 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 →Congo Tetra
Phenacogrammus interruptus
The Congo Tetra (Phenacogrammus interruptus) is a intermediate freshwater species known for its iridescent rainbow (blue, gold, orange) coloration. Iridescent rainbow colors. Mid to Upper-Mid.
Full care guide →