Otocinclus vs Pea Puffer

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

OtocinclusPea Puffer
DifficultyIntermediateIntermediate
Adult size1.5-2 inches1-1.5 inches
Lifespan3-5 years4-5 years
Min tank size10 gallons10 gallons
Water temp72-78°F74-82°F
pH6.5-7.56.5-7.5
TemperamentpeacefulSemi-aggressive; can be nippy, especially among conspecifics; best in species-only tank
Tank matesSmall peaceful fish such as tetras, rasboras, and dwarf cichlids.Best kept alone or with fast, small fish (e.g., danios, rasboras); avoid long-finned or slow fish
DietPrimarily herbivorous; feed algae wafers, blanched vegetables (zucchini, spinach), and ensure natural algae growth. Feed once daily, small amounts.Carnivorous; requires live foods (snails, bloodworms, brine shrimp) daily; may accept high-quality frozen foods