Can Cardinal Tetra Live With Zebra Danio?
Cardinal Tetra and Zebra Danio are compatible. Temperature overlap 73–77°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Zebra Danio | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 65–77°F | 73–77°F ✓ |
| pH Range | 4.5–7 | 6.5–7.5 | 6.5–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 2.5" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Cardinal Tetra + Zebra Danio
To keep Cardinal Tetra and Zebra Danio together, you need at minimum a 20 gallon tank. Cardinal Tetra should be kept in a school of 6+. Zebra Danio 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 →Zebra Danio
Danio rerio
Zebra danios are one of the hardiest, most energetic freshwater fish in the hobby. Their horizontal blue and silver stripes and constant darting motion add life to any aquarium. They tolerate a remarkably wide range of conditions, from cool subtropical to warm tropical temperatures, making them ideal for beginners. They are also the species used as the basis for GloFish.
Full care guide →