Cardinal Tetra vs Neon Tetra

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

Cardinal TetraNeon Tetra
DifficultyIntermediateBeginner
Adult size1.5-2 inches1.5 inches
Lifespan3-5 years3-5 years
Min tank size10 gallons10 gallons
Water temp74-80F72-78°F
pH6.0-7.06.0-7.0
Temperamentpeacefulpeaceful
Tank matesOther peaceful community fish such as small rasboras, tetras, and dwarf cichlids.Other small peaceful fish like rasboras, corydoras, and small tetras.
DietHigh-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily.Omnivorous; feed high-quality flake food, micro pellets, and occasional frozen or live brine shrimp 2-3 times daily in small amounts.