Can kuhli loaches live with neon tetras?

Verdict
Yes

Yes, kuhli loaches and neon tetras can live together. Both are fine at 75–79°F. Plan on at least 20 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Kuhli loach 75–86°Neon tetra 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Neon tetra 6–7
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inNeon 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

Kuhli loachNeon tetra
Temperature75–86 °F72–79 °F
pH5.5–76–7
Adult size3.5 in1.5 in
Minimum tank20 gal10 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 neon tetras

All neon tetra tank mates

Questions

Can kuhli loaches live with neon tetras?

Yes, kuhli loaches and neon tetras can live together. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and neon tetras?

75–79 °F. Kuhli loaches need 75–86 °F, neon tetras need 72–79 °F.

What size tank do kuhli loaches and neon tetras need together?

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