Overview
The Otocinclus Catfish (Otocinclus vittatus) is a freshwater fish from the family Loricariidae. It thrives at temperatures of 22–26 °C with a pH of 6.5–7.5, requiring a minimum tank size of 60 litres. Tiny algae-eating catfish that keeps glass and plant leaves clean. Very sensitive to water quality — quarantine new fish carefully.
Scientific Classification
| Rank | Classification |
|---|---|
| Family | Loricariidae |
| Genus | Otocinclus |
| Species | Otocinclus vittatus |
| Water type | freshwater |
Natural Habitat
Appearance
Behavior
Very sensitive to water quality — quarantine new fish carefully
| Trait | Value |
|---|---|
| Temperament | Tiny algae-eating catfish that keeps glass and plant leaves clean |
| Schooling | Yes |
| Activity level | moderate |
Water Requirements
| Parameter | Ideal Range | Notes |
|---|---|---|
| Temperature | 22–26°C (72–79°F) | Use a reliable adjustable heater |
| pH | 6.5–7.5 | Avoid sudden swings |
| Hardness (GH) | soft dGH | Soft to moderately hard |
| Ammonia | 0 ppm | Any detectable ammonia signals a problem |
| Nitrite | 0 ppm | Toxic even at low levels |
| Nitrate | <20 ppm | Manage through regular partial water changes |
| Min. tank | 60L (16 gal) | Larger tanks are easier to keep stable |
Interesting Facts
- Otocinclus are wild-caught almost exclusively, so acclimate them slowly
📋 Full Care Guide
Ready to set up a tank for your Otocinclus Catfish? The complete care guide covers tank setup, feeding schedule, common diseases, tank mates, and breeding.
Read Otocinclus Catfish Care Guide →Related Species
Related Species & Guides
This species profile was reviewed for biological accuracy and practical aquarium care guidance. For suspected illness or disease, test your water parameters first and consult an aquatic veterinarian if symptoms persist.