Can zebra danios live with congo tetras?

Verdict
Yes

Yes. Zebra danios and congo tetras get along in the same tank. Both are fine at 73–77°F. Plan on at least 30 gal.

Zebra danioZebra danio65–77°F · pH 6.5–8 Congo tetraCongo tetra73–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–77°Zebra danio 65–77°Congo tetra 73–82°
The green band is the temperature range both can live in.
456789Both: 6.5–7.5Zebra danio 6.5–8Congo tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Zebra danio · 2 inCongo tetra · 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

Zebra danioCongo tetra
Temperature65–77 °F73–82 °F
pH6.5–86–7.5
Adult size2.0 in3.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulPeaceful
Swims atTopMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for zebra danios

All zebra danio tank mates

Better tank mates for congo tetras

All congo tetra tank mates

Questions

Can zebra danios live with congo tetras?

Yes. Zebra danios and congo tetras get along in the same tank. Both are fine at 73–77°F. Plan on at least 30 gal.

What temperature suits both zebra danios and congo tetras?

73–77 °F. Zebra danios need 65–77 °F, congo tetras need 73–82 °F.

What size tank do zebra danios and congo tetras need together?

At least 30 gal, set by the congo tetra. Add space for each extra fish.