Can Cochu's Blue Tetra and Discus live together?

Cochu's Blue 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

Cochu's Blue Tetra vs Discus

Cochu's Blue Tetra

Boehlkea fredcochui

Discus

Symphysodon aequifasciatus

Verdict:Not compatible

Side-by-side specs

Tetras

Family

Cichlids

2″

Adult size

6″

20gal

Min tank

75gal

73–82°F

Temperature

82–88°F

5.5–7.5

5.5–7

fin-nipper

Temperament

peaceful

Schooling

mid

Water level

mid

Compatibility notes

warnCochu's Blue Tetra and Discus only narrowly overlap in temperature — keep within 82–82°F.
criticalCochu's Blue Tetra is a fin-nipper — it will harass Discus's long fins.

Try both in the builder →Compare different species