Betta tank mates
Betta splendens
5 rated pairings from the Betta care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Betta needs at least 5 gallons on its own; every companion adds to that.
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 trigger aggression; requires similar water parameters
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Non-threatening invertebrate; helps with algae control without competing for space
Nerite Snail
Neritina natalensis
5 gal min · 1" adult · Peaceful
Peaceful scavenger that occupies different zones; minimal interaction with betta
Use caution
2 · Works in the right setup; read the note before combining.Ember Tetra
Hyphessobrycon amandae
10 gal min · 0.8" adult · Peaceful
Small, fast-moving fish may trigger chase response; only in larger 10+ gallon tanks with dense plants
Ghost Shrimp
Palaemonetes paludosus
5 gal min · 1.5" adult · Peaceful
May be viewed as prey; only suitable if betta is well-fed and tank is heavily planted
Also recommended alongside Betta
Species whose own guides list Betta as a tank mate.
Arrowhead Plant
Syngonium podophyllum
Epipremnum Pinnatum
Epipremnum pinnatum
Heartleaf Philodendron
Philodendron hederaceum
Lucky Bamboo
Dracaena sanderiana
Peace Lily
Spathiphyllum wallisii
Pothos
Epipremnum aureum
Weeping Willow
Salix babylonica
White Worm
Enchytraeus albidus
1 gal min · 1.2" adult · Peaceful
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.