Can Discus and Swordtail live together?

Discus and Swordtail are possible with care. The comparison on this page runs the same compatibility engine as the tank builder, checking temperature and pH overlap, predation by size, temperament, and known hard-pair conflicts.

Species Comparison

Discus vs Swordtail

Discus

Symphysodon aequifasciatus

Swordtail

Xiphophorus hellerii

Verdict:Possible with care

Side-by-side specs

Cichlids

Family

Livebearers

6″

Adult size

5.5″

75gal

Min tank

29gal

82–88°F

Temperature

70–82°F

5.5–7

7–8.4

peaceful

Temperament

peaceful

Schooling

mid

Water level

mid

Compatibility notes

warnDiscus and Swordtail only narrowly overlap in temperature — keep within 82–82°F.

Try both in the builder →Compare different species