Can Black Skirt Tetra and Discus live together?

Black Skirt Tetra and Discus are not compatible. 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

Black Skirt Tetra vs Discus

Black Skirt Tetra

Gymnocorymbus ternetzi

Discus

Symphysodon aequifasciatus

Verdict:Not compatible

Side-by-side specs

Tetras

Family

Cichlids

2.5″

Adult size

6″

20gal

Min tank

75gal

70–79°F

Temperature

82–88°F

6–7.5

5.5–7

fin-nipper

Temperament

peaceful

Schooling

mid

Water level

mid

Compatibility notes

criticalBlack Skirt Tetra (70–79°F) and Discus (82–88°F) need different temperatures.
criticalBlack Skirt Tetra is a fin-nipper — it will harass Discus's long fins.

Try both in the builder →Compare different species