Discus vs Oscar Fish
Side-by-side care comparison to help you choose.
| Discus | Oscar Fish | |
|---|---|---|
| Difficulty | Advanced | Advanced |
| Adult size | 8-10 inches | 10-12 inches |
| Lifespan | 8-10 years | 10-15 years |
| Min tank size | 55 gallons | 75 gallons |
| Water temp | 82-86°F | 74-80°F |
| pH | 6.0-7.0 | 6.0-7.5 |
| Temperament | peaceful, but shy and sensitive | Aggressive and territorial |
| Tank mates | Cardinal tetras, rummy nose tetras, corydoras, and peaceful plecos | Large, robust cichlids or catfish; avoid small fish. |
| Diet | High-quality flakes or pellets supplemented with frozen bloodworms, brine shrimp, and beef heart; feed 2-3 times daily | Omnivorous; high-quality pellets supplemented with live/frozen foods like earthworms, shrimp, and krill; feed once or twice daily. |