Zebra danio Tank Mates

Short answer: the best zebra danio tank mates are Dwarf gourami, Bristlenose pleco, Harlequin rasbora, Molly, Neon tetra, Platy. Zebra danios need 64–77 °F (18–25 °C), pH 6–8 and at least 20 gallons. Keep them in a group of 6 or more.

Danio rerio · rated against 71 species · check your own combination

Zebra danio care at a glance

Adult size2.0 in (5 cm)
Minimum tank20 US gallons
Temperature64–77 °F (18–25 °C)
pH6–8
TemperamentPeaceful
Swims inTop
Group sizeGroups of 6+
Care levelEasy

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

gallon tank

✅ Compatible tank mates (44)

⚠️ Possible with caution (16)

❌ Not recommended (11)

How many zebra danios per tank?

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

FAQ

What fish can live with zebra danios?

Good matches include Dwarf gourami, Bristlenose pleco, Harlequin rasbora, Molly, Neon tetra, Platy. They share a temperature range with zebra danios (64–77 °F (18–25 °C)), are a similar temperament, and are not big enough to eat each other or nip fins.

What fish should not live with zebra danios?

Avoid Fancy goldfish, Oscar, Pea puffer, German blue ram, Electric yellow cichlid, Discus.

What size tank do zebra danios need?

We recommend at least 20 US gallons for a group of 6 zebra danios, more if you add tank mates.

Can zebra danios live alone?

No. Zebra danios are social and should be kept in groups of at least 6.

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.