Otocinclus vs Tiger Barb

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

OtocinclusTiger Barb
DifficultyIntermediateIntermediate
Adult size1.5-2 inches2.5-3 inches
Lifespan3-5 years5-7 years
Min tank size10 gallons20 gallons
Water temp72-78°F74-80°F
pH6.5-7.56.0-7.5
Temperamentpeacefulsemi-aggressive (fin nipping if not in large group)
Tank matesSmall peaceful fish such as tetras, rasboras, and dwarf cichlids.Fast-moving fish like danios, rasboras, or larger tetras; 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.Omnivorous; feed high-quality flake or pellet daily, supplemented with frozen or live foods like brine shrimp and bloodworms 2-3 times per week.