Blue Gularis Killifish tank mates
Fundulopanchax sjoestedti
5 rated pairings from the Blue Gularis Killifish care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Blue Gularis Killifish needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
2 · Same water, complementary zones, no conflict.
Good matches
2 · Compatible with normal care — watch space and numbers.Least Killifish
Heterandria formosa
5 gal min · 1.5" adult · Peaceful
Similar size and killifish temperament; can coexist if tank is spacious with adequate hiding
Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful invertebrate that won't trigger predatory behavior and helps with algae control
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.