Can guppies live with glofish?

Verdict
No

No. Guppies and glofish should not share a tank. Glofish nip fins, and the long fins of guppies are an easy target.

GuppyGuppy72–82°F · pH 6.8–7.8 GloFish tetraGloFish tetra72–80°F · pH 6–7.5

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–80°Guppy 72–82°GloFish tetra 72–80°
The green band is the temperature range both can live in.
456789Both: 6.8–7.5Guppy 6.8–7.8GloFish tetra 6–7.5
The green band is the pH both tolerate.

Size to scale

Guppy · 2 inGloFish tetra · 2.5 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

GuppyGloFish tetra
Temperature72–82 °F72–80 °F
pH6.8–7.86–7.5
Adult size2.0 in2.5 in
Minimum tank10 gal15 gal
TemperamentPeacefulSemi-aggressive
Swims atTopMiddle
GroupGroups of 3+Groups of 6+
DietOmnivoreOmnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for glofish

All glofish tetra tank mates

Questions

Can guppies live with glofish?

No. Guppies and glofish should not share a tank. Glofish nip fins, and the long fins of guppies are an easy target.

What temperature suits both guppies and glofish?

72–80 °F. Guppies need 72–82 °F, glofish need 72–80 °F.

What size tank do guppies and glofish need together?

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