Can kribensis live with black neon tetras?

Verdict
Yes

Yes, kribensis and black neon tetras can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

KribensisKribensis75–80°F · pH 6–7.5 Black neon tetraBlack neon tetra73–81°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°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Kribensis 6–7.5Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Kribensis · 4 inBlack neon tetra · 1.5 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

KribensisBlack neon tetra
Temperature75–80 °F73–81 °F
pH6–7.55.5–7.5
Adult size4.0 in1.5 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 black neon tetras

All black neon tetra tank mates

Questions

Can kribensis live with black neon tetras?

Yes, kribensis and black neon tetras can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and black neon tetras?

75–80 °F. Kribensis need 75–80 °F, black neon tetras need 73–81 °F.

What size tank do kribensis and black neon tetras need together?

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