Can silver dollars live with glowlight tetras?

Verdict
Yes, with care

Yes, with care. Silver dollars and glowlight tetras can share a tank, but watch one thing. Silver dollars grow to 6 inches and need 75 gallons, far more than a tank set up for glowlight tetras.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–80°Silver dollar 75–82°Glowlight tetra 74–80°
The green band is the temperature range both can live in.
456789Both: 6–7Silver dollar 5–7Glowlight tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Silver dollar · 6 inGlowlight 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

Silver dollarGlowlight tetra
Temperature75–82 °F74–80 °F
pH5–76–7.5
Adult size6.0 in1.5 in
Minimum tank75 gal10 gal
TemperamentPeacefulPeaceful
Swims atMiddleMiddle
GroupGroups of 5+Groups of 6+
DietHerbivoreOmnivore

Better tank mates for silver dollars

All silver dollar tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can silver dollars live with glowlight tetras?

Yes, with care. Silver dollars and glowlight tetras can share a tank, but watch one thing. Silver dollars grow to 6 inches and need 75 gallons, far more than a tank set up for glowlight tetras.

What temperature suits both silver dollars and glowlight tetras?

75–80 °F. Silver dollars need 75–82 °F, glowlight tetras need 74–80 °F.

What size tank do silver dollars and glowlight tetras need together?

At least 75 gal, set by the silver dollar. Add space for each extra fish.