Can Otocinclus Catfish Live With Three Spot Gourami?
Otocinclus Catfish and Three Spot Gourami may coexist with careful monitoring, adequate space, and hiding spots.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Otocinclus Catfish | Three Spot Gourami | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 72–82°F | 72–79°F ✓ |
| pH Range | 6–7.5 | 6–8 | 6–7.5 ✓ |
| Temperament | peaceful | semi-aggressive | Monitor ⚠ |
| Max Size | 2" | 6" | Similar ✓ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Herbivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Otocinclus Catfish + Three Spot Gourami
To keep Otocinclus Catfish and Three Spot Gourami together, you need at minimum a 20 gallon tank. Otocinclus Catfish 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 →Three Spot Gourami
Trichopodus trichopterus
The Three Spot Gourami (Trichopodus trichopterus) is a beginner-level freshwater fish growing to 6 inches. Semi-aggressive temperament, minimum 20 gallon tank.
Full care guide →