Can Platy Live With Cardinal Tetra?
Platy and Cardinal Tetra are compatible. Temperature overlap 73–80°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Platy | Cardinal Tetra | Overlap |
|---|---|---|---|
| Temperature | 70–80°F | 73–81°F | 73–80°F ✓ |
| pH Range | 7–8.2 | 4.5–7 | 7–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2.5" | 2" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | intermediate | — |
Tank Requirements for Platy + Cardinal Tetra
To keep Platy and Cardinal Tetra together, you need at minimum a 20 gallon tank. Platy should be kept in a school of 3+. Cardinal 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
Platy
Xiphophorus maculatus
Platies are colorful, hardy livebearers that come in dozens of color varieties. They are extremely easy to care for, breed readily, and get along with virtually all peaceful community fish. Perfect for beginners.
Full care guide →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 →