Neon Tetra vs Pea Puffer

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

Neon TetraPea Puffer
DifficultyBeginnerIntermediate
Adult size1.5 inches1-1.5 inches
Lifespan3-5 years4-5 years
Min tank size10 gallons10 gallons
Water temp72-78°F74-82°F
pH6.0-7.06.5-7.5
TemperamentpeacefulSemi-aggressive; can be nippy, especially among conspecifics; best in species-only tank
Tank matesOther small peaceful fish like rasboras, corydoras, and small tetras.Best kept alone or with fast, small fish (e.g., danios, rasboras); avoid long-finned or slow fish
DietOmnivorous; feed high-quality flake food, micro pellets, and occasional frozen or live brine shrimp 2-3 times daily in small amounts.Carnivorous; requires live foods (snails, bloodworms, brine shrimp) daily; may accept high-quality frozen foods