Otocinclus vs Pearl Gourami

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

OtocinclusPearl Gourami
DifficultyIntermediateBeginner
Adult size1.5-2 inches4-5 inches
Lifespan3-5 years4-5 years
Min tank size10 gallons20 gallons
Water temp72-78°F77-82°F
pH6.5-7.56.5-7.5
TemperamentpeacefulPeaceful, can be shy; males may become territorial during breeding
Tank matesSmall peaceful fish such as tetras, rasboras, and dwarf cichlids.Peaceful community fish such as tetras, rasboras, corydoras, and other non-aggressive species.
DietPrimarily herbivorous; feed algae wafers, blanched vegetables (zucchini, spinach), and ensure natural algae growth. Feed once daily, small amounts.Omnivorous; feed high-quality flakes or pellets supplemented with frozen or live foods like bloodworms, brine shrimp, and daphnia 2-3 times daily.