Can Otocinclus Catfish Live With Platy?
Otocinclus Catfish and Platy are compatible. Temperature overlap 72–79°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Otocinclus Catfish | Platy | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 70–80°F | 72–79°F ✓ |
| pH Range | 6–7.5 | 7–8.2 | 7–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 2" | 2.5" | Similar ✓ |
| Min Tank Size | 10 gal | 10 gal | 20 gal minimum together |
| Diet | Herbivore | Omnivore | — |
| Care Level | intermediate | beginner | — |
Tank Requirements for Otocinclus Catfish + Platy
To keep Otocinclus Catfish and Platy together, you need at minimum a 20 gallon tank. Otocinclus Catfish should be kept in a school of 6+. Platy should be kept in a school of 3+. 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 →Platy
Xiphophorus maculatus
Platies are colorful, hardy livebearers that come in dozens of color varieties. They are extremely easy to care for, breed readily, and get along with virtually all peaceful community fish. Perfect for beginners.
Full care guide →