Species · Danio rerio

Zebra danio: tank size, water and tank mates

Hardy, fast, cool-tolerant. GloFish and long-fin variants share care.

Adult size5 cm (2.0 in)
Minimum tank30 US gal
Temperature18–24 °C (64–75 °F)
pH6–8
Temperamentpeaceful
Keep in groups of8+
Swimsmid
Shrimp & snailsCaution

Fin nipper: avoid long-finned tank mates such as bettas, fancy guppies and angelfish.

Check a tank with Zebra danio

Good tank mates for Zebra danio

These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.

Black neon tetra · Black phantom tetra · Black ruby barb · Black skirt tetra · Bleeding heart tetra · Bloodfin tetra · Bristlenose pleco · Bronze corydoras · Buenos Aires tetra · Bumblebee goby · Cardinal tetra · Celestial pearl danio · Checkerboard barb · Cherry barb · Clown killifish · Clown pleco · Colombian tetra · Dwarf neon rainbowfish · Dwarf pencilfish · Emerald dwarf rasbora · Emperor tetra · Gardneri killifish · Gold barb · Golden pencilfish

Avoid with Zebra danio

Agassiz's dwarf cichlid (temperature) · Banded archerfish (temperature) · Banjo catfish (temperature) · Black ghost knifefish (predation) · Boeseman's rainbowfish (temperature) · Chili rasbora (temperature) · Clown loach (temperature) · Convict cichlid (temperature) · Demasoni cichlid (aggression) · Discus (temperature) · Firemouth cichlid (temperature) · German blue ram (temperature) · Jack Dempsey (predation) · Jewel cichlid (aggression) · Moonlight gourami (temperature) · Oscar (predation) · Paradise fish (aggression) · Pea puffer (aggression)

Sources

Checked 2026-11-09 · confidence: high. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.