Can Black Ruby Barb and German Blue Ram live together?

Black Ruby Barb and German Blue Ram 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

Black Ruby Barb vs German Blue Ram

Black Ruby Barb

Pethia nigrofasciata

German Blue Ram

Mikrogeophagus ramirezi

Verdict:Possible with care

Side-by-side specs

Barbs

Family

Cichlids

2.5″

Adult size

2″

30gal

Min tank

20gal

72–79°F

Temperature

78–85°F

6–7.5

5.5–7

peaceful

Temperament

peaceful

Schooling

Solitary

mid

Water level

mid

Compatibility notes

warnBlack Ruby Barb and German Blue Ram only narrowly overlap in temperature — keep within 78–79°F.

Try both in the builder →Compare different species