Pea Puffer vs Rummy Nose Tetra

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

Pea PufferRummy Nose Tetra
DifficultyIntermediateIntermediate
Adult size1-1.5 inches2 inches (5 cm)
Lifespan4-5 years5-6 years
Min tank size10 gallons20 gallons
Water temp74-82°F75-82°F
pH6.5-7.55.5-7.0
TemperamentSemi-aggressive; can be nippy, especially among conspecifics; best in species-only tankpeaceful schooling fish
Tank matesBest kept alone or with fast, small fish (e.g., danios, rasboras); avoid long-finned or slow fishOther peaceful tetras, rasboras, corydoras catfish, and dwarf cichlids like Apistogramma.
DietCarnivorous; requires live foods (snails, bloodworms, brine shrimp) daily; may accept high-quality frozen foodsOmnivore: feed high-quality flake or micro pellets daily, supplement with frozen or live brine shrimp, daphnia, and bloodworms 2-3 times per week.