Can Oscar Fish Live With Discus?
❌Not Compatible
Incompatible temperatures. Oscar Fish needs 74–81°F, Discus needs 82–88°F.
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Parameter Comparison
| Parameter | Oscar Fish | Discus | Overlap |
|---|---|---|---|
| Temperature | 74–81°F | 82–88°F | No overlap ✗ |
| pH Range | 6–8 | 5.5–7 | 6–7 ✓ |
| Temperament | aggressive | peaceful | Aggression risk ✗ |
| Max Size | 14" | 8" | Similar ✓ |
| Min Tank Size | 75 gal | 55 gal | 75 gal minimum together |
| Diet | Carnivore | Carnivore/Omnivore | — |
| Care Level | intermediate | advanced | — |
Species Profiles
Oscar Fish
Astronotus ocellatus
intermediateaggressive75+ gal
Oscars are large, intelligent South American cichlids often called 'water dogs' for their interactive personality. They recognize their owners, beg for food, and can be hand-fed. However, they grow fast, produce massive waste, and need at least a 75-gallon tank.
Full care guide →Discus
Symphysodon spp.
advancedpeaceful55+ gal
Discus are widely considered the king of freshwater aquarium fish. Their disk-shaped body, vivid colors, and graceful swimming make them the ultimate showpiece. However, they are among the most demanding freshwater fish to keep, requiring warm, soft, exceptionally clean water, frequent feedings, and a stress-free environment. Discus are not recommended for beginners.
Full care guide →Other Compatible Tank Mates
For Oscar Fish:
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