Can koi live with kribensis?

Verdict
No

No. Koi and kribensis should not share a tank. Koi are coldwater animals (59–77°F); kribensis need 75–80°F. They overlap only at 75–77°F, the edge of both ranges.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–77°Koi 59–77°Kribensis 75–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Koi 7–8.5Kribensis 6–7.5
The green band is the pH both tolerate.

Size to scale

Koi · 24 inKribensis · 4 in0"6"12"18"24"
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

KoiKribensis
Temperature59–77 °F75–80 °F
pH7–8.56–7.5
Adult size24.0 in4.0 in
Minimum tankPond30 gal
TemperamentPeacefulSemi-aggressive
Swims atAll levelsBottom
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for koi

All koi tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can koi live with kribensis?

No. Koi and kribensis should not share a tank. Koi are coldwater animals (59–77°F); kribensis need 75–80°F. They overlap only at 75–77°F, the edge of both ranges.

What temperature suits both koi and kribensis?

75–77 °F. Koi need 59–77 °F, kribensis need 75–80 °F.

What size tank do koi and kribensis need together?

A pond. Koi outgrow indoor tanks.