Can Bristlenose Pleco and Peacock Cichlid live together?

Bristlenose Pleco and Peacock Cichlid 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

Bristlenose Pleco vs Peacock Cichlid

Bristlenose Pleco

Ancistrus sp.

Peacock Cichlid

Aulonocara stuartgranti

Verdict:Possible with care

Side-by-side specs

Plecos

Family

Cichlids

5″

Adult size

6″

30gal

Min tank

55gal

73–81°F

Temperature

75–82°F

6.5–7.5

7.8–8.6

peaceful

Temperament

semi-aggressive

Solitary

Schooling

Solitary

bottom

Water level

mid

Compatibility notes

warnBristlenose Pleco prefers pH 6.5–7.5, Peacock Cichlid prefers 7.8–8.6 — water chemistry mismatch.

Try both in the builder →Compare different species