Can kribensis live with lemon tetras?

Verdict
Yes

Yes. Kribensis and lemon tetras make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

KribensisKribensis75–80°F · pH 6–7.5 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Kribensis 75–80°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Both: 6–7.5Kribensis 6–7.5Lemon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Kribensis · 4 inLemon tetra · 2 in0"1"2"3"4"5"6"
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

KribensisLemon tetra
Temperature75–80 °F72–82 °F
pH6–7.55.5–7.5
Adult size4.0 in2.0 in
Minimum tank30 gal15 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for kribensis

All kribensis tank mates

Better tank mates for lemon tetras

All lemon tetra tank mates

Questions

Can kribensis live with lemon tetras?

Yes. Kribensis and lemon tetras make a good pair. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and lemon tetras?

75–80 °F. Kribensis need 75–80 °F, lemon tetras need 72–82 °F.

What size tank do kribensis and lemon tetras need together?

At least 30 gal, set by the kribensis. Add space for each extra fish.