Can Diamond Tetra and Discus live together?

Diamond Tetra and Discus 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

Diamond Tetra vs Discus

Diamond Tetra

Moenkhausia pittieri

Discus

Symphysodon aequifasciatus

Verdict:Possible with care

Side-by-side specs

Tetras

Family

Cichlids

2.5″

Adult size

6″

20gal

Min tank

75gal

73–82°F

Temperature

82–88°F

5.5–7.5

5.5–7

peaceful

Temperament

peaceful

Schooling

mid

Water level

mid

Compatibility notes

warnDiamond Tetra and Discus only narrowly overlap in temperature — keep within 82–82°F.

Try both in the builder →Compare different species