Can kuhli loaches live with paradise fish?

Verdict
Yes

Yes. Kuhli loaches and paradise fish make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

Kuhli loachKuhli loach75–86°F · pH 5.5–7 Paradise fishParadise fish61–79°F · pH 6–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Kuhli loach 75–86°Paradise fish 61–79°
The green band is the temperature range both can live in.
456789Both: 6–7Kuhli loach 5.5–7Paradise fish 6–8
The green band is the pH both tolerate.

Size to scale

Kuhli loach · 3.5 inParadise fish · 3.5 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 loachParadise fish
Temperature75–86 °F61–79 °F
pH5.5–76–8
Adult size3.5 in3.5 in
Minimum tank20 gal20 gal
TemperamentPeacefulSemi-aggressive
Swims atBottomTop
GroupGroups of 6+One per tank
DietOmnivoreOmnivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for paradise fish

All paradise fish tank mates

Questions

Can kuhli loaches live with paradise fish?

Yes. Kuhli loaches and paradise fish make a good pair. Both are fine at 75–79°F. Plan on at least 20 gal.

What temperature suits both kuhli loaches and paradise fish?

75–79 °F. Kuhli loaches need 75–86 °F, paradise fish need 61–79 °F.

What size tank do kuhli loaches and paradise fish need together?

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