Can kuhli loaches live with dwarf neon rainbowfish?

Verdict
Yes

Yes, kuhli loaches and dwarf neon rainbowfish can live together. Both are fine at 75–82°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 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: 75–82°Kuhli loach 75–86°Dwarf neon rainbowfish 75–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7Kuhli loach 5.5–7Dwarf neon rainbowfish 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 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

Kuhli loachDwarf neon rainbowfish
Temperature75–86 °F75–82 °F
pH5.5–76.5–7.5
Adult size3.5 in2.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for dwarf neon rainbowfish

All dwarf neon rainbowfish tank mates

Questions

Can kuhli loaches live with dwarf neon rainbowfish?

Yes, kuhli loaches and dwarf neon rainbowfish can live together. Both are fine at 75–82°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and dwarf neon rainbowfish?

75–82 °F. Kuhli loaches need 75–86 °F, dwarf neon rainbowfish need 75–82 °F.

What size tank do kuhli loaches and dwarf neon rainbowfish need together?

At least 20 gal, set by the kuhli loach. Add space for each extra fish.