Can convict cichlids live with black neon tetras?

Verdict
No

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

Convict cichlidConvict cichlid74–82°F · pH 6.6–7.8 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 74–81°Convict cichlid 74–82°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 6.6–7.5Convict cichlid 6.6–7.8Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Convict cichlid · 5 inBlack neon tetra · 1.5 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 cichlidBlack neon tetra
Temperature74–82 °F73–81 °F
pH6.6–7.85.5–7.5
Adult size5.0 in1.5 in
Minimum tank30 gal15 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 black neon tetras

All black neon tetra tank mates

Questions

Can convict cichlids live with black neon tetras?

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

What temperature suits both convict cichlids and black neon tetras?

74–81 °F. Convict cichlids need 74–82 °F, black neon tetras need 73–81 °F.

What size tank do convict cichlids and black neon tetras need together?

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