Queen Danio tank mates
Devario regina
5 rated pairings from the Queen Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Queen Danio needs at least 25 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size, peaceful temperament, and mid-water swimming zone; compatible water parameters
Glowlight Danio
Danio choprai
10 gal min · 1.25" adult · Peaceful
Closely related danio species with identical care requirements and compatible schooling behavior
Good matches
2 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom-dweller that won't compete for space; helps maintain tank cleanliness
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful fish that occupy similar water column; compatible temperature and pH ranges
Use caution
1 · Works in the right setup; read the note before combining.Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.