Can kribensis live with dwarf neon rainbowfish?

Verdict
Yes

Yes. Kribensis and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

KribensisKribensis75–80°F · pH 6–7.5 Dwarf neon rainbowfishDwarf neon rainbowfish75–82°F · pH 6.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Kribensis 75–80°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Kribensis 6–7.5Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Kribensis · 4 inDwarf neon rainbowfish · 2.5 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

KribensisDwarf neon rainbowfish
Temperature75–80 °F75–82 °F
pH6–7.56.5–7.5
Adult size4.0 in2.5 in
Minimum tank30 gal20 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 dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can kribensis live with dwarf neon rainbowfish?

Yes. Kribensis and dwarf neon rainbowfish get along in the same tank. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both kribensis and dwarf neon rainbowfish?

75–80 °F. Kribensis need 75–80 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do kribensis and dwarf neon rainbowfish need together?

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