Can Black Moor Goldfish and Discus live together?

Black Moor Goldfish 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 Moor Goldfish vs Discus

Black Moor Goldfish

Carassius auratus var. moor

Discus

Symphysodon aequifasciatus

Verdict:Not compatible

Side-by-side specs

Goldfish

Family

Cichlids

8″

Adult size

6″

30gal

Min tank

75gal

65–75°F

Temperature

82–88°F

6.5–8

5.5–7

peaceful

Temperament

peaceful

Solitary

Schooling

mid

Water level

mid

Compatibility notes

criticalBlack Moor Goldfish (65–75°F) and Discus (82–88°F) need different temperatures.
criticalBlack Moor Goldfish produces heavy waste and needs cool water — Discus won't tolerate sharing a tank.

Try both in the builder →Compare different species