Description
🐟 Otocinclus Algae Eater (Otocinclus sp.)
📌 Basic Info
Scientific Name: Otocinclus sp.
Family: Loricariidae
Origin: South America (Amazon Basin, rivers & streams)
Size: 1.5 – 2 inches (4 – 5 cm)
Lifespan: 3 – 5 years
Tank Zone: Bottom to Mid dwellers
🌊 Water Parameters
TDS: 100 – 250 ppm
pH: 6.0 – 7.5
Temperature: 22 – 26°C (72 – 79°F)
Hardness: 2 – 12 dGH
🐟 Characteristics
Tiny, peaceful, and highly social algae eaters.
Excellent cleaners of soft algae on glass, plants, and decorations.
Very active in groups, shy when alone.
Sensitive to poor water quality – need stable, clean tanks.
🍽️ Food
Type: Herbivorous with algae preference.
Diet: Natural algae, biofilm, spirulina wafers, blanched zucchini, cucumber, spinach, peas.
Feeding: Daily; always provide algae or veggie-based food if natural algae is insufficient.
🛠️ Maintenance
Tank Size: Minimum 20 gallons (for a small group).
Filtration: Gentle flow with strong oxygenation.
Decor: Live plants, driftwood, rocks for algae growth.
Water Change: 25–30% weekly to maintain water quality.
👥 Social Behavior
Minimum Group Size: At least 5–6 (they are schooling fish).
Tank Mates: Guppies, Tetras, Rasboras, Corydoras, Shrimp, peaceful community fish.
Avoid: Large or aggressive fish (Cichlids, large Barbs) that may eat or stress them.
✅ Do’s
Keep in groups for comfort and activity.
Provide a mature tank with natural algae and plants.
Feed veggie-based food regularly, not just algae.
❌ Don’ts
Don’t introduce them to a new/unstable tank – they need mature aquariums.
Don’t keep them singly – they get stressed and weak.
Don’t expose them to strong currents or aggressive tank mates.
⭐ Quick Tips
One of the best small algae eaters for planted tanks.
Gentle, community-friendly, but need very clean, stable water.
Best suited for nano to medium aquariums with peaceful fish





