German Blue Ram vs Oscar Fish

Side-by-side care comparison to help you choose.

German Blue RamOscar Fish
DifficultyIntermediateAdvanced
Adult size2-3 inches10-12 inches
Lifespan3-4 years10-15 years
Min tank size20 gallons75 gallons
Water temp78-85°F74-80°F
pH6.0-7.56.0-7.5
TemperamentPeaceful but territorial during breedingAggressive and territorial
Tank matesPeaceful community fish like tetras, corydoras, and rasborasLarge, robust cichlids or catfish; avoid small fish.
DietOmnivorous; feed high-quality pellets, frozen/live foods (brine shrimp, bloodworms) 2-3 times dailyOmnivorous; high-quality pellets supplemented with live/frozen foods like earthworms, shrimp, and krill; feed once or twice daily.