GloFish Danio tank mates
Danio rerio
5 rated pairings from the GloFish Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. GloFish Danio needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
4 · Same water, complementary zones, no conflict.
Glowlight Tetra
Hemigrammus erythrozonus
10 gal min · 1.5" adult · Peaceful
Similar size, peaceful temperament, and compatible water parameters make them ideal companions

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eater that occupies different water zones and won't compete with active danios

Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrate that helps with algae control without competing for food or space
Glowlight Danio
Danio choprai
10 gal min · 1.25" adult · Peaceful
Same genus with identical care requirements and compatible schooling behavior
Good matches
1 · Compatible with normal care — watch space and numbers.Also recommended alongside GloFish Danio
Species whose own guides list GloFish Danio as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.