Betta Fish vs Corydoras Catfish

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

Betta FishCorydoras Catfish
DifficultyBeginnerBeginner
Adult size2.5-3 inches1-2.5 inches
Lifespan3-5 years3-5 years
Min tank size5 gallons10 gallons
Water temp76-82°F74-80°F
pH6.5-7.56.5-7.5
TemperamentSemi-aggressive; males aggressive to each other, can be kept with docile tank matespeaceful
Tank matesSmall peaceful fish like neon tetras, corydoras, and snailsPeaceful community fish such as tetras, rasboras, and dwarf cichlids.
DietCarnivorous; feed high-quality betta pellets or flakes once or twice daily, supplemented with frozen or live foods like bloodworms or brine shrimp.Sinking pellets or wafers as staple, supplemented with frozen or live foods like bloodworms and brine shrimp; feed once or twice daily.