Can neon tetras live with odessa barbs?

Verdict
Yes

Yes. Neon tetras and odessa barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Neon tetra 72–79°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6–7Neon tetra 6–7Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Neon tetra · 1.5 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

Neon tetraOdessa barb
Temperature72–79 °F70–79 °F
pH6–76–7.5
Adult size1.5 in3.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can neon tetras live with odessa barbs?

Yes. Neon tetras and odessa barbs make a good pair. Both are fine at 72–79°F. Plan on at least 30 gal.

What temperature suits both neon tetras and odessa barbs?

72–79 °F. Neon tetras need 72–79 °F, odessa barbs need 70–79 °F.

What size tank do neon tetras and odessa barbs need together?

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