Can convict cichlids live with upside down catfish?

Verdict
No

No. Convict cichlids and upside down catfish should not share a tank. Convict cichlids are aggressive and will bully peaceful upside down catfish.

Convict cichlidConvict cichlid74–82°F · pH 6.6–7.8 Upside down catfishUpside down catfish72–79°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–79°Convict cichlid 74–82°Upside down catfish 72–79°
The green band is the temperature range both can live in.
456789Both: 6.6–7.5Convict cichlid 6.6–7.8Upside down catfish 6–7.5
The green band is the pH both tolerate.

Size to scale

Convict cichlid · 5 inUpside down catfish · 4 in0"1"2"3"4"5"6"
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

Convict cichlidUpside down catfish
Temperature74–82 °F72–79 °F
pH6.6–7.86–7.5
Adult size5.0 in4.0 in
Minimum tank30 gal30 gal
TemperamentAggressivePeaceful
Swims atBottomBottom
GroupAlone or in pairsGroups of 3+
DietOmnivoreOmnivore

Better tank mates for convict cichlids

All convict cichlid tank mates

Better tank mates for upside down catfish

All upside down catfish tank mates

Questions

Can convict cichlids live with upside down catfish?

No. Convict cichlids and upside down catfish should not share a tank. Convict cichlids are aggressive and will bully peaceful upside down catfish.

What temperature suits both convict cichlids and upside down catfish?

74–79 °F. Convict cichlids need 74–82 °F, upside down catfish need 72–79 °F.

What size tank do convict cichlids and upside down catfish need together?

At least 30 gal, set by the convict cichlid. Add space for each extra fish.