Can Swordtail Live With Synodontis Catfish (Upside-Down)?
Swordtail and Synodontis Catfish are compatible. Temperature overlap 75–82°F. Both peaceful.
Conditions: Minimum 30 gallon tank.
Parameter Comparison
| Parameter | Swordtail | Synodontis Catfish (Upside-Down) | Overlap |
|---|---|---|---|
| Temperature | 70–82°F | 72–79°F | 75–82°F ✓ |
| pH Range | 7–8 | 6–7.5 | 7.5–8.4 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 5.5" | 3.9" | Similar ✓ |
| Min Tank Size | 20 gal | 20 gal | 30 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Swordtail + Synodontis Catfish (Upside-Down)
To keep Swordtail and Synodontis Catfish (Upside-Down) together, you need at minimum a 30 gallon tank. Swordtail should be kept in a school of 4+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Swordtail
Xiphophorus hellerii
The Swordtail (Xiphophorus hellerii) is a beginner freshwater species known for its red-orange, green coloration. Males have elongated sword-like tail. Mid to Top.
Full care guide →Synodontis Catfish (Upside-Down)
Synodontis nigriventris
The Synodontis Catfish (Upside-Down) (Synodontis nigriventris) is a beginner freshwater species known for its brown, dark mottled coloration. Swims upside down. Underside of surfaces.
Full care guide →