Can fancy goldfish live with chili rasboras?

Verdict

No. Fancy goldfish and chili rasboras should not share a tank. Fancy goldfish are coldwater animals (65–74°F); chili rasboras need 75–82°F. No temperature suits both.

Fancy goldfish65–74°F · pH 7–8

Chili rasbora75–82°F · pH 4–7

What to watch

Deal breakerFancy goldfish are coldwater animals (65–74°F); chili rasboras need 75–82°F. No temperature suits both.
Watch outWater chemistry is a squeeze. The only pH that suits both is around 7.
Watch outAt 6 inches a fancy goldfish can swallow a small chili rasbora. Fast, alert fish usually stay out of reach.

Water side by side

The ranges do not meet, so one of them would always be too warm or too cold.

The green band is the pH both tolerate.

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

	Fancy goldfish	Chili rasbora
Temperature	65–74 °F	75–82 °F
pH	7–8	4–7
Adult size	6.0 in	0.8 in
Minimum tank	30 gal	5 gal
Temperament	Peaceful	Peaceful
Swims at	All levels	Middle
Group	Alone or in pairs	Groups of 8+
Diet	Omnivore	Carnivore

Better tank mates for fancy goldfish

All fancy goldfish tank mates

Better tank mates for chili rasboras

All chili rasbora tank mates

Questions

Can fancy goldfish live with chili rasboras?

No. Fancy goldfish and chili rasboras should not share a tank. Fancy goldfish are coldwater animals (65–74°F); chili rasboras need 75–82°F. No temperature suits both.

What temperature suits both fancy goldfish and chili rasboras?

None. Fancy goldfish need 65–74 °F and chili rasboras need 75–82 °F, so the ranges do not meet.

What size tank do fancy goldfish and chili rasboras need together?

At least 30 gal, set by the fancy goldfish. Add space for each extra fish.