Can convict cichlids live with rummy nose tetras?

Verdict
No

No. Convict cichlids and rummy nose tetras should not share a tank. Convict cichlids are aggressive and will bully peaceful rummy nose tetras.

Convict cichlidConvict cichlid74–82°F · pH 6.6–7.8 Rummy nose tetraRummy nose tetra75–84°F · pH 5.5–7

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–82°Convict cichlid 74–82°Rummy nose tetra 75–84°
The green band is the temperature range both can live in.
456789Both: 6.6–7Convict cichlid 6.6–7.8Rummy nose tetra 5.5–7
The green band is the pH both tolerate.

Size to scale

Convict cichlid · 5 inRummy nose tetra · 2 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 cichlidRummy nose tetra
Temperature74–82 °F75–84 °F
pH6.6–7.85.5–7
Adult size5.0 in2.0 in
Minimum tank30 gal20 gal
TemperamentAggressivePeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for convict cichlids

All convict cichlid tank mates

Better tank mates for rummy nose tetras

All rummy nose tetra tank mates

Questions

Can convict cichlids live with rummy nose tetras?

No. Convict cichlids and rummy nose tetras should not share a tank. Convict cichlids are aggressive and will bully peaceful rummy nose tetras.

What temperature suits both convict cichlids and rummy nose tetras?

75–82 °F. Convict cichlids need 74–82 °F, rummy nose tetras need 75–84 °F.

What size tank do convict cichlids and rummy nose tetras need together?

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