Betta Coccina tank mates
Betta coccina
6 rated pairings from the Betta Coccina care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Betta Coccina needs at least 5 gallons on its own; every companion adds to that.
Excellent matches
1 · Same water, complementary zones, no conflict.Good matches
4 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Small, peaceful algae eaters that thrive in soft, acidic blackwater conditions and won't compete with bettas for food or territory.
Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Tiny, schooling tetras that prefer soft, acidic water and are too small to trigger aggression in Wine Red Bettas.
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Hardy, peaceful snails that help maintain water quality and thrive in soft, acidic conditions without competing with bettas.
Least Killifish
Heterandria formosa
5 gal min · 1.5" adult · Peaceful
Tiny, peaceful killifish that prefer similar soft, acidic blackwater conditions and occupy different water zones.
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.