Can German Blue Ram and Cuckoo Catfish live together?

German Blue Ram and Cuckoo Catfish 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 Cuckoo Catfish

German Blue Ram

Mikrogeophagus ramirezi

Cuckoo Catfish

Synodontis petricola

Verdict:Possible with care

Side-by-side specs

Cichlids

Family

Catfish

2″

Adult size

4″

20gal

Min tank

30gal

78–85°F

Temperature

75–81°F

5.5–7

7.5–8.5

peaceful

Temperament

peaceful

Solitary

Schooling

mid

Water level

bottom

Compatibility notes

warnGerman Blue Ram and Cuckoo Catfish only narrowly overlap in temperature — keep within 78–81°F.
warnGerman Blue Ram prefers pH 5.5–7, Cuckoo Catfish prefers 7.5–8.5 — water chemistry mismatch.

Try both in the builder →Compare different species