Can Oscar Fish Live With Rummy Nose Tetra?
❌Not Compatible
Oscar Fish is aggressive and will likely attack or stress tank mates.
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Parameter Comparison
| Parameter | Oscar Fish | Rummy Nose Tetra | Overlap |
|---|---|---|---|
| Temperature | 74–81°F | 75–84°F | 75–81°F ✓ |
| pH Range | 6–8 | 5.5–7 | 6–7 ✓ |
| Temperament | aggressive | peaceful | Aggression risk ✗ |
| Max Size | 14" | 2.5" | Size mismatch ✗ |
| Min Tank Size | 75 gal | 20 gal | 75 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
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 →Rummy Nose Tetra
Hemigrammus rhodostomus
intermediatepeaceful20+ gal
Rummy nose tetras are considered the ultimate schooling fish in the freshwater hobby. Their tight, synchronized formations are unmatched by any other tetra species. The vivid red nose serves as a health indicator — bright red means healthy, pale red means stressed. They prefer soft, acidic water and are slightly more demanding than neon tetras.
Full care guide →Other Compatible Tank Mates
For Oscar Fish:
For Rummy Nose Tetra:
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