Longfin Rosy Barb tank mates
Pethia conchonius
5 rated pairings from the Longfin Rosy Barb care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Longfin Rosy Barb needs at least 25 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Similar size, peaceful temperament, and compatible water parameters make them ideal community companions

Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Schooling fish with similar size and peaceful nature; creates dynamic community display

Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Nocturnal algae eater that occupies different ecological niche and won't interfere with active barbs
Good matches
2 · Compatible with normal care — watch space and numbers.Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful gourami that coexists well with barbs; ensure adequate space to prevent territorial disputes

Amano Shrimp
Caridina multidentata
10 gal min · 2" adult · Peaceful
Large shrimp less likely to be harassed; provides algae control without competing for food
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.