Can Otocinclus Catfish Live With Denison Barb?
Otocinclus Catfish and Denison Barb are compatible. Temperature overlap 72–77°F. Both peaceful.
Conditions: Minimum 55 gallon tank.
Parameter Comparison
| Parameter | Otocinclus Catfish | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 60–77°F | 72–77°F ✓ |
| pH Range | 6–7.5 | 6.5–7.8 | 6.5–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 6" | Similar ✓ |
| Min Tank Size | 10 gal | 55 gal | 55 gal minimum together |
| Diet | Herbivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Tank Requirements for Otocinclus Catfish + Denison Barb
To keep Otocinclus Catfish and Denison Barb together, you need at minimum a 55 gallon tank. Otocinclus Catfish should be kept in a school of 6+. Denison Barb should be kept in a school of 6+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Otocinclus Catfish
Otocinclus spp.
Otocinclus catfish (otos) are tiny, peaceful algae eaters that are incredibly effective at controlling soft green algae and diatoms in planted tanks. They are the gold standard for planted tank algae control, often preferred over larger plecos. However, they are somewhat delicate and require established, well-maintained aquariums.
Full care guide →Denison Barb
Sahyadria denisonii
The Denison Barb (Sahyadria denisonii) is a intermediate-level freshwater fish growing to 6 inches. Peaceful temperament, minimum 55 gallon tank.
Full care guide →