Pea Puffer vs Zebra Danio

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

Pea PufferZebra Danio
DifficultyIntermediateBeginner
Adult size1-1.5 inches2-2.5 inches
Lifespan4-5 years3-5 years
Min tank size10 gallons10 gallons
Water temp74-82°F64-75F
pH6.5-7.56.5-7.5
TemperamentSemi-aggressive; can be nippy, especially among conspecifics; best in species-only tankpeaceful
Tank matesBest kept alone or with fast, small fish (e.g., danios, rasboras); avoid long-finned or slow fishOther peaceful community fish like tetras, rasboras, and corydoras.
DietCarnivorous; requires live foods (snails, bloodworms, brine shrimp) daily; may accept high-quality frozen foodsOmnivorous; feed high-quality flakes or small pellets daily, supplement with brine shrimp or daphnia once or twice a week.