Can Cardinal Tetra Live With Denison Barb?
Cardinal Tetra and Denison Barb are compatible. Temperature overlap 73–77°F. Both peaceful.
Conditions: Minimum 55 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 60–77°F | 73–77°F ✓ |
| pH Range | 4.5–7 | 6.5–7.8 | 6.5–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 6" | Similar ✓ |
| Min Tank Size | 10 gal | 55 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Tank Requirements for Cardinal Tetra + Denison Barb
To keep Cardinal Tetra and Denison Barb together, you need at minimum a 55 gallon tank. Cardinal Tetra should be kept in a school of 6+. Denison Barb 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
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 →Denison Barb
Sahyadria denisonii
The Denison Barb (Sahyadria denisonii) is a intermediate-level freshwater fish growing to 6 inches. Peaceful temperament, minimum 55 gallon tank.
Full care guide →