Betta Fish vs Kuhli Loach

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

Betta FishKuhli Loach
DifficultyBeginnerIntermediate
Adult size2.5-3 inches3-4 inches
Lifespan3-5 years5-8 years
Min tank size5 gallons20 gallons
Water temp76-82°F75-82°F
pH6.5-7.55.5-6.5
TemperamentSemi-aggressive; males aggressive to each other, can be kept with docile tank matespeaceful, shy, nocturnal
Tank matesSmall peaceful fish like neon tetras, corydoras, and snailsPeaceful community fish such as tetras, rasboras, and gouramis.
DietCarnivorous; feed high-quality betta pellets or flakes once or twice daily, supplemented with frozen or live foods like bloodworms or brine shrimp.Omnivorous; feed sinking pellets, frozen/live foods like bloodworms and brine shrimp once or twice daily.