Can red tail sharks live with bala sharks?

Verdict
Yes

Yes. Red tail sharks and bala sharks make a good pair. Both are fine at 72–79°F. Plan on at least 125 gal.

Red tail sharkRed tail shark72–79°F · pH 6.5–7.5 Bala sharkBala shark72–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Red tail shark 72–79°Bala shark 72–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Red tail shark 6.5–7.5Bala shark 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Red tail shark · 5 inBala shark · 13 in0"2"4"6"8"10"12"
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 sharkBala shark
Temperature72–79 °F72–82 °F
pH6.5–7.56.5–7.5
Adult size5.0 in13.0 in
Minimum tank55 gal125 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupOne per tankGroups of 4+
DietOmnivoreOmnivore

Better tank mates for red tail sharks

All red tail shark tank mates

Better tank mates for bala sharks

All bala shark tank mates

Questions

Can red tail sharks live with bala sharks?

Yes. Red tail sharks and bala sharks make a good pair. Both are fine at 72–79°F. Plan on at least 125 gal.

What temperature suits both red tail sharks and bala sharks?

72–79 °F. Red tail sharks need 72–79 °F, bala sharks need 72–82 °F.

What size tank do red tail sharks and bala sharks need together?

At least 125 gal, set by the bala shark. Add space for each extra fish.