Otocinclus vittatus
Otocinclus Catfish
Often called 'Otos', these tiny catfish are essential for keeping leaves of aquatic plants free of algae. They are social and must be kept in groups. They are sensitive to water quality and need a steady supply of food.
Ensure perfect water for Otocinclus Catfish ➔
Perfect for Aquaware Monitoring
Caution: Highly Sensitive
This species reacts immediately to unstable water parameters. Even minor fluctuations can be critical. Continuous 24/7 monitoring with Aquaware is highly recommended.
Temperature
22 - 26 °C
72 - 79 °F
pH Value
6.0 - 7.5 pH
Acidity Level
Mineral Content (TDS)
50 - 200 ppm
✅ Ideal for Aquaware Sensor
Did you know?
An Otocinclus can eat its own body weight in algae in a single day.
Aquaware Pro Tip
Only add them to established tanks with visible algae growth to prevent starvation.
Natural Habitat
Fast-flowing rivers and streams in South America with high oxygen levels.
Diet & Nutrition
Herbivore. Primarily soft green algae and biofilm. Supplement with algae wafers or blanched zucchini.
Behavior
Peaceful and social. Loves to rest on plant leaves or glass.
Max Size
4-5 cm (1.5-2 inches)
Average adult size
Lifespan
3-5 years
Years with proper care
Swim Zone
Preferred tank region
Top
Mid
Bottom 🦞
Min. Tank
40 Liters
Recommended minimum size
Social
6 Fish
Schooling fish (Minimum!)
Add. Space
5 L
Required per additional fish
(1 Gallons)
(1 Gallons)
💧 +5 Liters needed