Can bolivian rams live with black neon tetras?

Verdict
Yes

Yes, bolivian rams and black neon tetras can live together. Both are fine at 73–79°F. Plan on at least 20 gal.

Bolivian ramBolivian ram72–79°F · pH 6–7.5 Black neon tetraBlack neon tetra73–81°F · pH 5.5–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Bolivian ram 72–79°Black neon tetra 73–81°
The green band is the temperature range both can live in.
456789Both: 6–7.5Bolivian ram 6–7.5Black neon tetra 5.5–7.5
The green band is the pH both tolerate.

Size to scale

Bolivian ram · 3 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

Bolivian ramBlack neon tetra
Temperature72–79 °F73–81 °F
pH6–7.55.5–7.5
Adult size3.0 in1.5 in
Minimum tank20 gal15 gal
TemperamentPeacefulPeaceful
Swims atBottomMiddle
GroupAlone or in pairsGroups of 6+
DietOmnivoreOmnivore

Better tank mates for bolivian rams

All bolivian ram tank mates

Better tank mates for black neon tetras

All black neon tetra tank mates

Questions

Can bolivian rams live with black neon tetras?

Yes, bolivian rams and black neon tetras can live together. Both are fine at 73–79°F. Plan on at least 20 gal.

What temperature suits both bolivian rams and black neon tetras?

73–79 °F. Bolivian rams need 72–79 °F, black neon tetras need 73–81 °F.

What size tank do bolivian rams and black neon tetras need together?

At least 20 gal, set by the bolivian ram. Add space for each extra fish.