Chili rasbora Tank Mates

Short answer: the best chili rasbora tank mates are Cherry shrimp, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora, Molly. Chili rasboras need 68–82 °F (20–28 °C), pH 4–7 and at least 10 gallons. Keep them in a group of 8 or more.

Boraras brigittae · rated against 71 species · check your own combination

Chili rasbora care at a glance

Adult size0.8 in (2 cm)
Minimum tank10 US gallons
Temperature68–82 °F (20–28 °C)
pH4–7
TemperamentPeaceful
Swims inMiddle
Group sizeGroups of 8+
Care levelModerate

Sources: Seriously Fish · FishBase. Last reviewed 2026-11-04.

gallon tank

✅ Compatible tank mates (48)

⚠️ Possible with caution (10)

❌ Not recommended (13)

How many chili rasboras per tank?

10 gal 20 gal 29 gal 40 gal 55 gal 75 gal — see what else fits with our stocking calculator.

FAQ

What fish can live with chili rasboras?

Good matches include Cherry shrimp, Dwarf gourami, Guppy, Bristlenose pleco, Harlequin rasbora, Molly. They share a temperature range with chili rasboras (68–82 °F (20–28 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with chili rasboras?

Avoid Fancy goldfish, Angelfish, Oscar, Pea puffer, Kribensis, Pearl gourami.

What size tank do chili rasboras need?

We recommend at least 10 US gallons for a group of 8 chili rasboras, more if you add tank mates.

Can chili rasboras live alone?

No. Chili rasboras are social and should be kept in groups of at least 8.

Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.