Can Cardinal Tetra and Demasoni Cichlid live together?

Cardinal Tetra and Demasoni Cichlid 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

Cardinal Tetra vs Demasoni Cichlid

Cardinal Tetra

Paracheirodon axelrodi

Demasoni Cichlid

Pseudotropheus demasoni

Verdict:Not compatible

Side-by-side specs

Tetras

Family

Cichlids

2″

Adult size

3″

20gal

Min tank

75gal

73–81°F

Temperature

75–82°F

4.5–7

7.8–8.6

peaceful

Temperament

aggressive

Schooling

mid

Water level

mid

Compatibility notes

warnCardinal Tetra prefers pH 4.5–7, Demasoni Cichlid prefers 7.8–8.6 — water chemistry mismatch.
criticalDemasoni Cichlid is aggressive and will bully peaceful Cardinal Tetra.

Try both in the builder →Compare different species