Can Cardinal Tetra Live With Three Spot Gourami?
Cardinal Tetra and Three Spot Gourami may coexist with careful monitoring, adequate space, and hiding spots.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Cardinal Tetra | Three Spot Gourami | Overlap |
|---|---|---|---|
| Temperature | 73–81°F | 72–82°F | 73–81°F ✓ |
| pH Range | 4.5–7 | 6–8 | 6–7 ✓ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 2" | 6" | Similar ✓ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Cardinal Tetra + Three Spot Gourami
To keep Cardinal Tetra and Three Spot Gourami together, you need at minimum a 20 gallon tank. 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
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 →Three Spot Gourami
Trichopodus trichopterus
The Three Spot Gourami (Trichopodus trichopterus) is a beginner-level freshwater fish growing to 6 inches. Semi-aggressive temperament, minimum 20 gallon tank.
Full care guide →