Can Corydoras Catfish Live With Swordtail?
Corydoras Catfish and Swordtail are compatible. Temperature overlap 72–79°F. Both peaceful.
Conditions: Minimum 20 gallon tank.
Parameter Comparison
| Parameter | Corydoras Catfish | Swordtail | Overlap |
|---|---|---|---|
| Temperature | 72–79°F | 72–82°F | 72–79°F ✓ |
| pH Range | 6–7.5 | 7–8.4 | 7–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3" | 5.5" | Similar ✓ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Tank Requirements for Corydoras Catfish + Swordtail
To keep Corydoras Catfish and Swordtail together, you need at minimum a 20 gallon tank. Corydoras Catfish should be kept in a school of 6+. Swordtail should be kept in a school of 3+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Corydoras Catfish
Corydoras spp.
Corydoras catfish are beloved bottom-dwelling community fish known for their adorable whiskered faces and playful schooling behavior. With over 160 described species, corys come in many varieties including bronze, albino, panda, pygmy, and sterbai. They are peaceful, hardy, and help keep the substrate clean.
Full care guide →Swordtail
Xiphophorus hellerii
Swordtails are hardy, colorful livebearers named for the distinctive elongated lower tail fin (the 'sword') found on males. They come in many color varieties including red, pineapple, marigold, and tuxedo. Larger than guppies but just as easy to care for, swordtails are excellent community fish that prefer hard, alkaline water.
Full care guide →