Can jack dempseys live with kribensis?

Verdict
No

No. Jack dempseys and kribensis should not share a tank. An adult jack dempsey eats fish that fit in its mouth, and at 4 inches kribensis do.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Jack Dempsey 72–86°Kribensis 75–80°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Jack Dempsey 6.5–7.5Kribensis 6–7.5
The green band is the pH both tolerate.

Size to scale

Jack Dempsey · 10 inKribensis · 4 in0"2"4"6"8"10"
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 DempseyKribensis
Temperature72–86 °F75–80 °F
pH6.5–7.56–7.5
Adult size10.0 in4.0 in
Minimum tank55 gal30 gal
TemperamentAggressiveSemi-aggressive
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for jack dempseys

All jack dempsey tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can jack dempseys live with kribensis?

No. Jack dempseys and kribensis should not share a tank. An adult jack dempsey eats fish that fit in its mouth, and at 4 inches kribensis do.

What temperature suits both jack dempseys and kribensis?

75–80 °F. Jack dempseys need 72–86 °F, kribensis need 75–80 °F.

What size tank do jack dempseys and kribensis need together?

At least 55 gal, set by the jack dempsey. Add space for each extra fish.