Can red tail sharks live with odessa barbs?

Verdict
Yes

Yes. Red tail sharks and odessa barbs get along in the same tank. Both are fine at 72–79°F. Plan on at least 55 gal.

Red tail sharkRed tail shark72–79°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: 72–79°Red tail shark 72–79°Odessa barb 70–79°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Red tail shark 6.5–7.5Odessa barb 6–7.5
The green band is the pH both tolerate.

Size to scale

Red tail shark · 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

Red tail sharkOdessa barb
Temperature72–79 °F70–79 °F
pH6.5–7.56–7.5
Adult size5.0 in3.0 in
Minimum tank55 gal30 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupOne per tankGroups of 6+
DietOmnivoreOmnivore

Better tank mates for red tail sharks

All red tail shark tank mates

Better tank mates for odessa barbs

All odessa barb tank mates

Questions

Can red tail sharks live with odessa barbs?

Yes. Red tail sharks and odessa barbs get along in the same tank. Both are fine at 72–79°F. Plan on at least 55 gal.

What temperature suits both red tail sharks and odessa barbs?

72–79 °F. Red tail sharks need 72–79 °F, odessa barbs need 70–79 °F.

What size tank do red tail sharks and odessa barbs need together?

At least 55 gal, set by the red tail shark. Add space for each extra fish.