Can Otocinclus Live With Cardinal Tetra?
Otocinclus Catfish and Cardinal Tetra are compatible. Temperature overlap 73–79°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Otocinclus | Cardinal Tetra | Overlap |
|---|---|---|---|
| Temperature | 70–79°F | 73–81°F | 73–79°F ✓ |
| pH Range | 6–7.5 | 4.5–6.5 | 6–7 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 2" | Similar ✓ |
| Min Tank Size | 11 gal | 11 gal | 20 gal minimum together |
| Diet | Herbivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Otocinclus + Cardinal Tetra
To keep Otocinclus and Cardinal Tetra together, you need at minimum a 20 gallon tank. Otocinclus should be kept in a school of 6+. Cardinal Tetra should be kept in a school of 8+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Otocinclus
Otocinclus spp.
The Otocinclus (Otocinclus spp.) is a intermediate freshwater species known for its brown-gray, dark lateral stripe coloration. Small algae eater. Surfaces.
Full care guide →Cardinal Tetra
Paracheirodon axelrodi
The Cardinal Tetra (Paracheirodon axelrodi) is a beginner freshwater species known for its blue, red coloration. Brighter color than neon tetra. Mid to Lower-Mid.
Full care guide →