Kuhli Loach vs Pea Puffer

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

Kuhli LoachPea Puffer
DifficultyIntermediateIntermediate
Adult size3-4 inches1-1.5 inches
Lifespan5-8 years4-5 years
Min tank size20 gallons10 gallons
Water temp75-82°F74-82°F
pH5.5-6.56.5-7.5
Temperamentpeaceful, shy, nocturnalSemi-aggressive; can be nippy, especially among conspecifics; best in species-only tank
Tank matesPeaceful community fish such as tetras, rasboras, and gouramis.Best kept alone or with fast, small fish (e.g., danios, rasboras); avoid long-finned or slow fish
DietOmnivorous; feed sinking pellets, frozen/live foods like bloodworms and brine shrimp once or twice daily.Carnivorous; requires live foods (snails, bloodworms, brine shrimp) daily; may accept high-quality frozen foods