Can Cardinal Tetra Live With Green Neon Tetra?
Cardinal Tetra and Green Neon Tetra are compatible. Temperature overlap 75–81°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Green Neon Tetra | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 75–85°F | 75–81°F ✓ |
| pH Range | 4.5–7 | 4.5–6.5 | 4.5–6.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 1" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Tank Requirements for Cardinal Tetra + Green Neon Tetra
To keep Cardinal Tetra and Green Neon Tetra together, you need at minimum a 20 gallon tank. Cardinal Tetra should be kept in a school of 6+. Green Neon 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
Cardinal tetras look similar to neon tetras but have a red stripe that extends the entire length of their body (vs only the back half in neons). They prefer softer, more acidic water and are slightly more delicate, but their deeper coloration makes them highly sought after.
Full care guide →Green Neon Tetra
Paracheirodon simulans
The Green Neon Tetra (Paracheirodon simulans) is a intermediate-level freshwater fish growing to 1 inches. Peaceful temperament, minimum 10 gallon tank.
Full care guide →