Longfin Zebra Danio tank mates
Danio rerio
6 rated pairings from the Longfin Zebra Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Longfin Zebra Danio needs at least 10 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.Glowlight Danio
Danio choprai
10 gal min · 1.25" adult · Peaceful
Similar size, temperament, and water requirements; compatible schooling behavior

Leopard Danio
Danio rerio
10 gal min · 2" adult · Peaceful
Closely related species with matching activity levels and peaceful nature
Gold Danio
Danio albolineatus
10 gal min · 2.5" adult · Peaceful
Same genus with identical care needs and compatible social dynamics
Good matches
2 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size and peaceful temperament; slightly slower but compatible with active danios

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom-dweller that occupies different water zone; helps maintain tank cleanliness
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.
