Corydoras Catfish vs Rummy Nose Tetra

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

Corydoras CatfishRummy Nose Tetra
DifficultyBeginnerIntermediate
Adult size1-2.5 inches2 inches (5 cm)
Lifespan3-5 years5-6 years
Min tank size10 gallons20 gallons
Water temp74-80°F75-82°F
pH6.5-7.55.5-7.0
Temperamentpeacefulpeaceful schooling fish
Tank matesPeaceful community fish such as tetras, rasboras, and dwarf cichlids.Other peaceful tetras, rasboras, corydoras catfish, and dwarf cichlids like Apistogramma.
DietSinking pellets or wafers as staple, supplemented with frozen or live foods like bloodworms and brine shrimp; feed once or twice daily.Omnivore: feed high-quality flake or micro pellets daily, supplement with frozen or live brine shrimp, daphnia, and bloodworms 2-3 times per week.