Corydoras Catfish vs Kuhli Loach

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

Corydoras CatfishKuhli Loach
DifficultyBeginnerIntermediate
Adult size1-2.5 inches3-4 inches
Lifespan3-5 years5-8 years
Min tank size10 gallons20 gallons
Water temp74-80°F75-82°F
pH6.5-7.55.5-6.5
Temperamentpeacefulpeaceful, shy, nocturnal
Tank matesPeaceful community fish such as tetras, rasboras, and dwarf cichlids.Peaceful community fish such as tetras, rasboras, and gouramis.
DietSinking pellets or wafers as staple, supplemented with frozen or live foods like bloodworms and brine shrimp; feed once or twice daily.Omnivorous; feed sinking pellets, frozen/live foods like bloodworms and brine shrimp once or twice daily.