Can bettas and otocinclus live together?
✓
Yes
Betta and otocinclus share water conditions and temperament, so they can live together in a tank of at least 20 gallons.
Temperature °F
Betta
76–82
Otocinclus
72–79
Both
76–79
pH
Betta
6–7.5
Otocinclus
6–7.5
Both
6–7.5
20 galsmallest tank for both
1 + 5minimum group of each
2.5″ / 1.75″adult size
Why
- ✓Both are comfortable at 76–79°F.
- ✓Both do well at pH 6–7.5.
Verdicts come from TankCoach's own species data and the same rules as the stocking calculator. Individual fish vary; watch new tankmates closely for the first days.
About these fish: Betta · Otocinclus