Lyretail Swordtail tank mates
Xiphophorus hellerii
5 rated pairings from the Lyretail Swordtail care guide. Compatibility here means water, temperament, tank zone and adult size all line up — the note on each card says why. Lyretail Swordtail needs at least 20 gallons on its own; every companion adds to that.
Excellent matches
3 · Same water, complementary zones, no conflict.
Guppy
Poecilia reticulata
10 gal min · 2" adult · Peaceful
Similar size, water parameters, and peaceful temperament; both thrive in hard, alkaline water
Platy
Xiphophorus maculatus
10 gal min · 2.5" adult · Peaceful
Closely related livebearer with identical care requirements and compatible social behavior
Gold Mystery Snail
Pomacea bridgesii
5 gal min · 2" adult · Peaceful
Peaceful invertebrate that helps control algae and doesn't compete with fish for food
Good matches
2 · Compatible with normal care — watch space and numbers.
Bristlenose Pleco
Ancistrus sp.
20 gal min · 5" adult · Peaceful
Peaceful algae eater that doesn't compete for food and tolerates similar water conditions
Neon Tetra
Paracheirodon innesi
10 gal min · 1.5" adult · Peaceful
Small, peaceful schooling fish that occupy mid-water zones without competing aggressively
Planning this tank?
Run the whole stock list through the calculator — it checks bioload and schooling numbers, not just pairings.