Species · Danio erythromicron

Emerald dwarf rasbora: tank size, water and tank mates

Lake Inle nano danio needing hard, cool water.

Adult size2.5 cm (1.0 in)
Minimum tank15 US gal
Temperature21–24 °C (70–75 °F)
pH7–8
Temperamentpeaceful
Keep in groups of8+
Swimsmid
Shrimp & snailsUsually safe

Check a tank with Emerald dwarf rasbora

Good tank mates for Emerald dwarf rasbora

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.

Amano shrimp · Black neon tetra · Black phantom tetra · Black ruby barb · Bleeding heart tetra · Bloodfin tetra · Bristlenose pleco · Bronze corydoras · Bumblebee goby · Celestial pearl danio · Checkerboard barb · Cherry barb · Cherry shrimp · Clown killifish · Clown pleco · Colombian tetra · Congo tetra · CPO dwarf crayfish · Dwarf neon rainbowfish · Dwarf pencilfish · Emperor tetra · Ghost shrimp · Gold barb · Golden pencilfish

Avoid with Emerald dwarf rasbora

African butterflyfish (predation) · Agassiz's dwarf cichlid (temperature) · Angelfish (predation) · Bala shark (predation) · Banded archerfish (temperature) · Banjo catfish (temperature) · Black ghost knifefish (predation) · Blue acara (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 (predation)

Sources

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