Can jack dempseys live with tinfoil barbs?

Verdict
No

No. Jack dempseys and tinfoil barbs should not share a tank. Jack dempseys are aggressive and will bully peaceful tinfoil barbs.

Jack DempseyJack Dempsey72–86°F · pH 6.5–7.5 Tinfoil barbTinfoil barb72–80°F · pH 6.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–80°Jack Dempsey 72–86°Tinfoil barb 72–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Jack Dempsey 6.5–7.5Tinfoil barb 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Jack Dempsey · 10 inTinfoil barb · 12 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

Jack DempseyTinfoil barb
Temperature72–86 °F72–80 °F
pH6.5–7.56.5–7.5
Adult size10.0 in12.0 in
Minimum tank55 gal125 gal
TemperamentAggressivePeaceful
Swims atMiddleMiddle
GroupAlone or in pairsGroups of 5+
DietCarnivoreOmnivore

Better tank mates for jack dempseys

All jack dempsey tank mates

Better tank mates for tinfoil barbs

All tinfoil barb tank mates

Questions

Can jack dempseys live with tinfoil barbs?

No. Jack dempseys and tinfoil barbs should not share a tank. Jack dempseys are aggressive and will bully peaceful tinfoil barbs.

What temperature suits both jack dempseys and tinfoil barbs?

72–80 °F. Jack dempseys need 72–86 °F, tinfoil barbs need 72–80 °F.

What size tank do jack dempseys and tinfoil barbs need together?

At least 125 gal, set by the tinfoil barb. Add space for each extra fish.