Can chili rasboras live with firemouth cichlids?

Verdict
Yes, with care

Yes, with care. Chili rasboras and firemouth cichlids can share a tank, but watch one thing. At 6 inches a firemouth cichlid can swallow a small chili rasbora. Fast, alert fish usually stay out of reach.

Chili rasboraChili rasbora75–82°F · pH 4–7 Firemouth cichlidFiremouth cichlid75–86°F · pH 6.5–8

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Chili rasbora 75–82°Firemouth cichlid 75–86°
The green band is the temperature range both can live in.
456789Both: 6.5–7Chili rasbora 4–7Firemouth cichlid 6.5–8
The green band is the pH both tolerate.

Size to scale

Chili rasbora · 0.8 inFiremouth cichlid · 6 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 rasboraFiremouth cichlid
Temperature75–82 °F75–86 °F
pH4–76.5–8
Adult size0.8 in6.0 in
Minimum tank5 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atMiddleBottom
GroupGroups of 8+Alone or in pairs
DietCarnivoreOmnivore

Better tank mates for chili rasboras

All chili rasbora tank mates

Better tank mates for firemouth cichlids

All firemouth cichlid tank mates

Questions

Can chili rasboras live with firemouth cichlids?

Yes, with care. Chili rasboras and firemouth cichlids can share a tank, but watch one thing. At 6 inches a firemouth cichlid can swallow a small chili rasbora. Fast, alert fish usually stay out of reach.

What temperature suits both chili rasboras and firemouth cichlids?

75–82 °F. Chili rasboras need 75–82 °F, firemouth cichlids need 75–86 °F.

What size tank do chili rasboras and firemouth cichlids need together?

At least 30 gal, set by the firemouth cichlid. Add space for each extra fish.