Can ember tetras live with bolivian rams?

Verdict
Yes

Yes. Ember tetras and bolivian rams get along in the same tank. Both are fine at 73–79°F. Plan on at least 20 gal.

Ember tetraEmber tetra73–84°F · pH 5.5–7 Bolivian ramBolivian ram72–79°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–79°Ember tetra 73–84°Bolivian ram 72–79°
The green band is the temperature range both can live in.
456789Both: 6–7Ember tetra 5.5–7Bolivian ram 6–7.5
The green band is the pH both tolerate.

Size to scale

Ember tetra · 0.8 inBolivian ram · 3 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

Ember tetraBolivian ram
Temperature73–84 °F72–79 °F
pH5.5–76–7.5
Adult size0.8 in3.0 in
Minimum tank5 gal20 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for ember tetras

All ember tetra tank mates

Better tank mates for bolivian rams

All bolivian ram tank mates

Questions

Can ember tetras live with bolivian rams?

Yes. Ember tetras and bolivian rams get along in the same tank. Both are fine at 73–79°F. Plan on at least 20 gal.

What temperature suits both ember tetras and bolivian rams?

73–79 °F. Ember tetras need 73–84 °F, bolivian rams need 72–79 °F.

What size tank do ember tetras and bolivian rams need together?

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