Can chili rasboras live with lemon tetras?

Verdict
Yes

Yes. Chili rasboras and lemon tetras get along in the same tank. Both are fine at 75–82°F. Plan on at least 15 gal.

Chili rasboraChili rasbora75–82°F · pH 4–7 Lemon tetraLemon tetra72–82°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Chili rasbora 75–82°Lemon tetra 72–82°
The green band is the temperature range both can live in.
456789Both: 5.5–7Chili rasbora 4–7Lemon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Chili rasbora · 0.8 inLemon tetra · 2 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

Chili rasboraLemon tetra
Temperature75–82 °F72–82 °F
pH4–75.5–7.5
Adult size0.8 in2.0 in
Minimum tank5 gal15 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 8+Groups of 6+
DietCarnivoreOmnivore

Better tank mates for chili rasboras

All chili rasbora tank mates

Better tank mates for lemon tetras

All lemon tetra tank mates

Questions

Can chili rasboras live with lemon tetras?

Yes. Chili rasboras and lemon tetras get along in the same tank. Both are fine at 75–82°F. Plan on at least 15 gal.

What temperature suits both chili rasboras and lemon tetras?

75–82 °F. Chili rasboras need 75–82 °F, lemon tetras need 72–82 °F.

What size tank do chili rasboras and lemon tetras need together?

At least 15 gal, set by the lemon tetra. Add space for each extra fish.