Tiger Barb tank mates
Puntigrus tetrazona
4 rated pairings from the Tiger Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. 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
2 · Compatible with normal care — watch space and numbers.
Emerald Dwarf Rasbora
Danio erythromicron
10 gal min · 1" adult · Peaceful
Similar size and water parameters; peaceful schooling fish that coexist well in larger groups

Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Similar size and temperament; schooling fish that thrive in comparable water conditions
Use caution
1 · Works in the right setup; read the note before combining.Also recommended alongside Tiger Barb
Species whose own guides list Tiger Barb as a tank mate.
Asian Bumblebee Catfish
Pseudomystus siamensis
30 gal min · 5" adult · Semi-aggressive
Harlequin Shark
Labeo cyclorhynchus
55 gal min · 6" adult · Semi-aggressive
Hora's Loach
Yasuhikotakia morleti
30 gal min · 4" adult · Semi-aggressive
Spotted Rainbowfish
Glossolepis maculosus
30 gal min · 4.5" adult · Peaceful
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.

