Can oscars live with kribensis?

Verdict
No

No. Oscars and kribensis should not share a tank. An adult oscar 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°Oscar 74–81°Kribensis 75–80°
The green band is the temperature range both can live in.
456789Both: 6–7.5Oscar 6–8Kribensis 6–7.5
The green band is the pH both tolerate.

Size to scale

Oscar · 12 inKribensis · 4 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

OscarKribensis
Temperature74–81 °F75–80 °F
pH6–86–7.5
Adult size12.0 in4.0 in
Minimum tank75 gal30 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atMiddleBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreOmnivore

Better tank mates for oscars

All oscar tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can oscars live with kribensis?

No. Oscars and kribensis should not share a tank. An adult oscar eats fish that fit in its mouth, and at 4 inches kribensis do.

What temperature suits both oscars and kribensis?

75–80 °F. Oscars need 74–81 °F, kribensis need 75–80 °F.

What size tank do oscars and kribensis need together?

At least 75 gal, set by the oscar. Add space for each extra fish.