Cardinal Tetra vs Kuhli Loach

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

Cardinal TetraKuhli Loach
DifficultyIntermediateIntermediate
Adult size1.5-2 inches3-4 inches
Lifespan3-5 years5-8 years
Min tank size10 gallons20 gallons
Water temp74-80F75-82°F
pH6.0-7.05.5-6.5
Temperamentpeacefulpeaceful, shy, nocturnal
Tank matesOther peaceful community fish such as small rasboras, tetras, and dwarf cichlids.Peaceful community fish such as tetras, rasboras, and gouramis.
DietHigh-quality flakes, micro pellets, and frozen foods like bloodworms and brine shrimp; feed small portions 2-3 times daily.Omnivorous; feed sinking pellets, frozen/live foods like bloodworms and brine shrimp once or twice daily.