Can German Blue Ram and Harlequin Rasbora live together?

German Blue Ram and Harlequin Rasbora 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

German Blue Ram vs Harlequin Rasbora

German Blue Ram

Mikrogeophagus ramirezi

Harlequin Rasbora

Trigonostigma heteromorpha

Verdict:Possible with care

Side-by-side specs

Cichlids

Family

Rasboras

2″

Adult size

2″

20gal

Min tank

15gal

78–85°F

Temperature

72–81°F

5.5–7

6–7.5

peaceful

Temperament

peaceful

Solitary

Schooling

mid

Water level

mid

Compatibility notes

warnGerman Blue Ram and Harlequin Rasbora only narrowly overlap in temperature — keep within 78–81°F.

Try both in the builder →Compare different species