Can chili rasboras live with mollies?

Verdict

Yes, with care

Yes, with care. Chili rasboras and mollies can share a tank, but watch one thing. Different water: chili rasboras want pH 4–7, mollies want pH 7.5–8.5.

Chili rasbora75–82°F · pH 4–7

Molly72–82°F · pH 7.5–8.5

What to watch

Watch outDifferent water: chili rasboras want pH 4–7, mollies want pH 7.5–8.5.

What works

Both are fine at 75–82°F.
They use different parts of the tank: chili rasboras the mid, mollies the top.

Water side by side

The green band is the temperature range both can live in.

No pH suits both. One would live in the wrong water all the time.

Size to scale

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 rasbora	Molly
Temperature	75–82 °F	72–82 °F
pH	4–7	7.5–8.5
Adult size	0.8 in	4.0 in
Minimum tank	5 gal	20 gal
Temperament	Peaceful	Peaceful
Swims at	Middle	Top
Group	Groups of 8+	Groups of 3+
Diet	Carnivore	Omnivore

Better tank mates for chili rasboras

All chili rasbora tank mates

Better tank mates for mollies

All molly tank mates

Questions

Can chili rasboras live with mollies?

Yes, with care. Chili rasboras and mollies can share a tank, but watch one thing. Different water: chili rasboras want pH 4–7, mollies want pH 7.5–8.5.

What temperature suits both chili rasboras and mollies?

75–82 °F. Chili rasboras need 75–82 °F, mollies need 72–82 °F.

What size tank do chili rasboras and mollies need together?

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