Can bettas live with odessa barbs?

Verdict
Yes

Yes. Bettas and odessa barbs make a good pair. Both are fine at 76–79°F. Plan on at least 30 gal.

BettaBetta76–82°F · pH 6.5–7.5 Odessa barbOdessa barb70–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–79°Betta 76–82°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Betta 6.5–7.5Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Betta · 2.5 inOdessa barb · 3 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

BettaOdessa barb
Temperature76–82 °F70–79 °F
pH6.5–7.56–7.5
Adult size2.5 in3.0 in
Minimum tank5 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atTopMiddle
GroupOne per tankGroups of 6+
DietCarnivoreOmnivore

Better tank mates for bettas

All betta tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can bettas live with odessa barbs?

Yes. Bettas and odessa barbs make a good pair. Both are fine at 76–79°F. Plan on at least 30 gal.

What temperature suits both bettas and odessa barbs?

76–79 °F. Bettas need 76–82 °F, odessa barbs need 70–79 °F.

What size tank do bettas and odessa barbs need together?

At least 30 gal, set by the odessa barb. Add space for each extra fish.