Cardinal Tetra vs Platy Fish

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

Cardinal TetraPlaty Fish
DifficultyIntermediateBeginner
Adult size1.5-2 inches2-2.5 inches
Lifespan3-5 years3-5 years
Min tank size10 gallons10 gallons
Water temp74-80F74-80°F
pH6.0-7.06.8-8.0
Temperamentpeacefulpeaceful
Tank matesOther peaceful community fish such as small rasboras, tetras, and dwarf cichlids.Other peaceful livebearers, tetras, rasboras, corydoras
DietHigh-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily.Omnivorous; feed high-quality flakes or pellets daily, supplemented with brine shrimp or daphnia 2-3 times per week.