Zebra Danio tank mates
Danio rerio
5 rated pairings from the Zebra Danio care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Zebra Danio needs at least 10 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 comparable water parameters make them ideal schooling companions
Glowlight Danio
Danio choprai
10 gal min · 1.25" adult · Peaceful
Closely related species with matching activity levels and identical water requirements
Good matches
2 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eaters that occupy different water zones and won't compete with danios
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrates that help with algae control without interfering with active fish
Use caution
1 · Works in the right setup; read the note before combining.
Also recommended alongside Zebra Danio
Species whose own guides list Zebra Danio as a tank mate.
Butterfly Hillstream Loach
Beaufortia kweichowensis
30 gal min · 2.5" adult · Peaceful
Chinese Hillstream Loach
Pseudogastromyzon myersi
20 gal min · 2.5" adult · Peaceful
Rosy Barb
Pethia conchonius
25 gal min · 3.5" adult · Semi-aggressive
Rosy Red Minnow
Pimephales promelas
10 gal min · 2.5" adult · Peaceful
Turquoise Danio
Danio kerri
20 gal min · 2" adult · Peaceful
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.