Can Corydoras Catfish Live With Oscar Fish?
❌Not Compatible
Oscar Fish is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Corydoras Catfish | Oscar Fish | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 74–81°F | 74–79°F ✓ |
| pH Range | 6–7.5 | 6–8 | 6–7.5 ✓ |
| Temperament | peaceful | aggressive | Aggression risk ✗ |
| Max Size | 3" | 14" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 75 gal | 75 gal minimum together |
| Diet | Omnivore | Carnivore | — |
| Care Level | beginner | intermediate | — |
Species Profiles
Corydoras Catfish
Corydoras spp.
beginnerpeaceful10+ gal
Corydoras catfish are beloved bottom-dwelling community fish known for their adorable whiskered faces and playful schooling behavior. With over 160 described species, corys come in many varieties including bronze, albino, panda, pygmy, and sterbai. They are peaceful, hardy, and help keep the substrate clean.
Full care guide →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 →Other Compatible Tank Mates
For Corydoras Catfish:
For Oscar Fish:
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