Green Tiger Barb tank mates
Puntigrus tetrazona
4 rated pairings from the Green Tiger Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Green Tiger Barb needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
1 · Same water, complementary zones, no conflict.Good matches
3 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size and water requirements; fast enough to avoid fin-nipping

Glowlight Tetra
Hemigrammus erythrozonus
10 gal min · 1.5" adult · Peaceful
Peaceful schooling fish that occupy mid-water; avoid long-finned varieties

Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Schooling fish with similar water preferences; keep in groups of 6+
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.
