Yellow Tiger Endler tank mates
Poecilia wingei
6 rated pairings from the Yellow Tiger Endler care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Yellow Tiger Endler needs at least 5 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 algae eater that shares similar water parameters and won't compete with or prey on Endlers
Least Killifish
Heterandria formosa
5 gal min · 1.5" adult · Peaceful
Similar size, temperament, and water requirements; both are nano-friendly and peaceful

Ramshorn Snail
Planorbarius corneus
5 gal min · 0.75" adult · Peaceful
Peaceful detritivore that helps maintain tank cleanliness without competing for food or space
Good matches
3 · Compatible with normal care — watch space and numbers.
Red Cherry Shrimp
Neocaridina davidi
5 gal min · 1.2" adult · Peaceful
Compatible with Endlers; may predate on fry but adults coexist peacefully in planted tanks

Endler's Livebearer
Poecilia wingei
10 gal min · 1.5" adult · Peaceful
Close relative with identical care needs; may interbreed, creating hybrid fry

Blue Velvet Shrimp
Neocaridina davidi var. Blue Velvet
5 gal min · 1.2" adult · Peaceful
Peaceful invertebrate that occupies different ecological niche; fry may be predated upon
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.