Cardinal Tetra vs Ember Tetra

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

Cardinal TetraEmber Tetra
DifficultyIntermediateBeginner
Adult size1.5-2 inches0.8-1 inch
Lifespan3-5 years2-4 years
Min tank size10 gallons10 gallons
Water temp74-80F72-78F
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 neon tetras, rasboras, and dwarf corydoras.
DietHigh-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily.Omnivorous; high-quality micro pellets, flakes, and frozen foods like daphnia or brine shrimp. Feed small amounts 2-3 times daily.