Bloodfin Tetra tank mates
Aphyocharax anisitsi
5 rated pairings from the Bloodfin Tetra care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Bloodfin Tetra needs at least 15 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 identical water parameter requirements make them ideal companions

Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small, peaceful algae eaters that thrive in the same cool to moderate temperature range

Rummy Nose Tetra
Hemigrammus rhodostomus
15 gal min · 2" adult · Peaceful
Closely related tetra with matching size, temperament, and water chemistry requirements
Good matches
2 · Compatible with normal care — watch space and numbers.
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrates that add diversity; ensure adequate plant cover for shrimp safety
Bolivian Ram
Mikrogeophagus altispinosus
20 gal min · 3.5" adult · Peaceful
Peaceful dwarf cichlid with similar temperature tolerance and non-aggressive community behavior
Also recommended alongside Bloodfin Tetra
Species whose own guides list Bloodfin Tetra as a tank mate.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.