Guppies and Oscars, side by side
| Guppy | Oscar | |
|---|---|---|
| Adult size | 2 in5 cm | 11.8 in30 cm |
| Smallest tank | 10 gal38 L | 75 gal284 L |
| Keep | 3 or more | One or more |
| Temperature | 72–82 °F22–28 °C | 73–81 °F23–27 °C |
| pH | 7–8.2 | 6–8 |
| Temperament | Peaceful | Aggressive |
| Swims | Near the top | In the middle |
Why it does not work
Oscar is aggressive and will bully or kill peaceful fish such as guppy.
Better tank mates for guppies
Better tank mates for oscars
Questions and answers
Can guppies and oscars live in the same tank?
No, not a good match. Oscar is aggressive and will bully or kill peaceful fish such as guppy.
What temperature suits guppies and oscars?
73–81 °F (23–27 °C) suits both.
More pairs
- Guppies and bettas
- Guppies and neon tetras
- Guppies and fancy goldfish
- Guppies and angelfish
- Guppies and bronze corydoras
- Oscars and mollies
- Oscars and platies
- Oscars and tiger barbs
- Oscars and dwarf gouramis
- All pairs
Based on each species' adult size, water range and temperament (Seriously Fish, FishBase) and the rules of our stocking calculator. Individual fish differ: this is a guide, not a guarantee.