Corydoras With Betta: Frequently Friendly

Usually yes—run the heater for both species and keep six or more corys so they behave like corys, not three lonely ornaments.

Keep surface flow gentle for the labyrinth fish; use sand so cories can sift without getting pinched under driftwood the betta has claimed.

Plug your stocklist into the free calculator before you buy—start with temperature and tank length, not vibes.

Browser calculator stays free. The app only matters if you want several tanks, photos, and test history on your phone.

Can Corydoras Live With Bettas?