Bleeding Heart Tetra tank mates
Hyphessobrycon erythrostigma
5 rated pairings from the Bleeding Heart Tetra care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Bleeding Heart Tetra needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful algae eater with identical water parameter requirements; won't compete for food or space
Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Similar-sized tetra with matching water requirements and peaceful schooling behavior
Good matches
2 · Compatible with normal care — watch space and numbers.
Harlequin Rasbora
Trigonostigma heteromorpha
10 gal min · 2" adult · Peaceful
Peaceful mid-water schooler with slightly different water preferences but compatible temperament
Dwarf Gourami
Trichogaster lalius
15 gal min · 3.5" adult · Semi-aggressive
Peaceful labyrinth fish that occupies upper water zones; ensure adequate space to prevent territorial issues
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.