Can bichirs live with peacock cichlids?

Verdict
Yes, with care

Yes, with care. Bichirs and peacock cichlids can share a tank, but watch one thing. Different water: bichirs want pH 6.5–7.5, peacock cichlids want pH 7.8–8.6.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 76–82°Bichir 72–82°Peacock cichlid 76–82°
The green band is the temperature range both can live in.
456789Bichir 6.5–7.5Peacock cichlid 7.8–8.6
No pH suits both. One would live in the wrong water all the time.

Size to scale

Bichir · 12 inPeacock cichlid · 6 in0"2"4"6"8"10"12"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

BichirPeacock cichlid
Temperature72–82 °F76–82 °F
pH6.5–7.57.8–8.6
Adult size12.0 in6.0 in
Minimum tank75 gal55 gal
TemperamentSemi-aggressiveSemi-aggressive
Swims atBottomMiddle
GroupAlone or in pairsGroups of 4+
DietCarnivoreCarnivore

Better tank mates for bichirs

All bichir tank mates

Better tank mates for peacock cichlids

All peacock cichlid tank mates

Questions

Can bichirs live with peacock cichlids?

Yes, with care. Bichirs and peacock cichlids can share a tank, but watch one thing. Different water: bichirs want pH 6.5–7.5, peacock cichlids want pH 7.8–8.6.

What temperature suits both bichirs and peacock cichlids?

76–82 °F. Bichirs need 72–82 °F, peacock cichlids need 76–82 °F.

What size tank do bichirs and peacock cichlids need together?

At least 75 gal, set by the bichir. Add space for each extra fish.