Can Guppy Live With Cardinal Tetra?
✅Compatible
Guppy and Cardinal Tetra are compatible. Temperature overlap 73–81°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
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Parameter Comparison
| Parameter | Guppy | Cardinal Tetra | Overlap |
|---|---|---|---|
| Temperature | 72–82°F | 73–81°F | 73–81°F ✓ |
| pH Range | 6.8–7.8 | 4.5–6.5 | 6.8–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2.4" | 2" | Similar ✓ |
| Min Tank Size | 11 gal | 11 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Guppy + Cardinal Tetra
To keep Guppy and Cardinal Tetra together, you need at minimum a 20 gallon tank. Guppy should be kept in a school of 6+. Cardinal Tetra should be kept in a school of 8+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Guppy
Poecilia reticulata
beginnerpeaceful11+ gal
The Guppy (Poecilia reticulata) is a beginner freshwater species known for its multi-color (varies by strain) coloration. Extremely popular. Top to Mid.
Full care guide →Cardinal Tetra
Paracheirodon axelrodi
beginnerpeaceful11+ gal
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 →Other Compatible Tank Mates
For Cardinal Tetra:
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