Red-Barred Killifish tank mates
Aphyosemion elberti
3 rated pairings from the Red-Barred Killifish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Red-Barred Killifish needs at least 10 gallons on its own; every companion adds to that.
Good matches
1 · Compatible with normal care — watch space and numbers.Use caution
2 · Works in the right setup; read the note before combining.White Cloud Mountain Minnow
Tanichthys albonubes
10 gal min · 1.5" adult · Peaceful
Shares the cool water, but prefers harder water than this killifish; they only meet at about 5 dGH.
Celestial Pearl Danio
Danio margaritatus
10 gal min · 1" adult · Peaceful
Similar size and temperament, but it prefers warmer water; the two only overlap at about 22 °C (72 °F).
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.