Can Otocinclus Catfish Live With White Cloud Mountain Minnow?
Otocinclus Catfish and White Cloud Mountain Minnow are compatible. Temperature overlap 72–72°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Otocinclus Catfish | White Cloud Mountain Minnow | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 60–72°F | 72–72°F ✓ |
| pH Range | 6–7.5 | 6–8 | 6–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 1.5" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Herbivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Otocinclus Catfish + White Cloud Mountain Minnow
To keep Otocinclus Catfish and White Cloud Mountain Minnow together, you need at minimum a 20 gallon tank. Otocinclus Catfish should be kept in a school of 6+. White Cloud Mountain Minnow 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 →White Cloud Mountain Minnow
Tanichthys albonubes
White cloud mountain minnows are hardy, colorful cold-water fish that are perfect for unheated aquariums and goldfish companions. Their small size, brilliant red fins, and iridescent lateral line make them surprisingly attractive for such a hardy, easy-to-keep species. They are one of the few truly cold-water schooling fish available in the hobby.
Full care guide →