Can Discus Live With Synodontis Catfish (Upside-Down)?
❌Not Compatible
Incompatible pH. Discus needs 5.5–7.0, Synodontis Catfish needs 7.5–8.5.
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Parameter Comparison
| Parameter | Discus | Synodontis Catfish (Upside-Down) | Overlap |
|---|---|---|---|
| Temperature | 81–88°F | 72–79°F | 82–82°F ✓ |
| pH Range | 5.5–7 | 6–7.5 | No overlap ✗ |
| Temperament | semi-aggressive | peaceful | Monitor ⚠ |
| Max Size | 7.9" | 3.9" | Similar ✓ |
| Min Tank Size | 53 gal | 20 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | advanced | beginner | — |
Species Profiles
Discus
Symphysodon spp.
advancedsemi-aggressive53+ gal
The Discus (Symphysodon spp.) is a advanced freshwater species known for its multi-color (red, blue, brown, green variants) coloration. King of freshwater fish. Mid.
Full care guide →Synodontis Catfish (Upside-Down)
Synodontis nigriventris
beginnerpeaceful20+ gal
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 →Other Compatible Tank Mates
For Synodontis Catfish (Upside-Down):
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