Spade Tail Betta tank mates
Betta splendens
5 rated pairings from the Spade Tail Betta care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Spade Tail Betta needs at least 5 gallons on its own; every companion adds to that.
Excellent matches
1 · Same water, complementary zones, no conflict.
Good matches
3 · Compatible with normal care — watch space and numbers.
Otocinclus
Otocinclus vittatus
10 gal min · 1.5" adult · Peaceful
Peaceful bottom-dweller that won't compete with betta's top-zone territory or trigger aggression
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Slow-moving snail that occupies different zones and provides algae control without competing for food
Corydoras Duplicareus
Corydoras duplicareus
15 gal min · 2.2" adult · Peaceful
Peaceful catfish that stays on substrate and won't threaten or compete with betta in upper 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.