Can black skirt tetras live with glowlight tetras?

Verdict
Yes

Yes, black skirt tetras and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 15 gal.

Black skirt tetraBlack skirt tetra70–80°F · pH 6–7.5 Glowlight tetraGlowlight tetra74–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Black skirt tetra · 2.5 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

Black skirt tetraGlowlight tetra
Temperature70–80 °F74–80 °F
pH6–7.56–7.5
Adult size2.5 in1.5 in
Minimum tank15 gal10 gal
TemperamentSemi-aggressivePeaceful
Swims atMiddleMiddle
GroupGroups of 6+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Better tank mates for glowlight tetras

All glowlight tetra tank mates

Questions

Can black skirt tetras live with glowlight tetras?

Yes, black skirt tetras and glowlight tetras can live together. Both are fine at 74–80°F. Plan on at least 15 gal.

What temperature suits both black skirt tetras and glowlight tetras?

74–80 °F. Black skirt tetras need 70–80 °F, glowlight tetras need 74–80 °F.

What size tank do black skirt tetras and glowlight tetras need together?

At least 15 gal, set by the black skirt tetra. Add space for each extra fish.