Can hillstream loaches live with odessa barbs?

Verdict
Yes

Yes. Hillstream loaches and odessa barbs make a good pair. Both are fine at 70–75°F. Plan on at least 30 gal.

Hillstream loachHillstream loach68–75°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: 70–75°Hillstream loach 68–75°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Hillstream loach 6.5–7.5Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Hillstream loach · 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

Hillstream loachOdessa barb
Temperature68–75 °F70–79 °F
pH6.5–7.56–7.5
Adult size2.5 in3.0 in
Minimum tank20 gal30 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 3+Groups of 6+
DietHerbivoreOmnivore

Better tank mates for hillstream loaches

All hillstream loach tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can hillstream loaches live with odessa barbs?

Yes. Hillstream loaches and odessa barbs make a good pair. Both are fine at 70–75°F. Plan on at least 30 gal.

What temperature suits both hillstream loaches and odessa barbs?

70–75 °F. Hillstream loaches need 68–75 °F, odessa barbs need 70–79 °F.

What size tank do hillstream loaches and odessa barbs need together?

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