Betta Simorum tank mates
Betta simorum
5 rated pairings from the Betta Simorum care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Betta Simorum needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom dweller that helps with algae control
Java Fern
Microsorum pteropus
Live plant that provides shelter and natural environment
Anubias Nana
Anubias barteri var. nana
Hardy plant that creates hiding spots and reduces aggression
Good matches
2 · Compatible with normal care — watch space and numbers.
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.