Can guppies live with kribensis?

Verdict
Yes

Yes, guppies and kribensis can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

GuppyGuppy72–82°F · pH 6.8–7.8 KribensisKribensis75–80°F · pH 6–7.5

Why it works

Water side by side

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

Size to scale

Guppy · 2 inKribensis · 4 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

GuppyKribensis
Temperature72–82 °F75–80 °F
pH6.8–7.86–7.5
Adult size2.0 in4.0 in
Minimum tank10 gal30 gal
TemperamentPeacefulSemi-aggressive
Swims atTopBottom
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for kribensis

All kribensis tank mates

Questions

Can guppies live with kribensis?

Yes, guppies and kribensis can live together. Both are fine at 75–80°F. Plan on at least 30 gal.

What temperature suits both guppies and kribensis?

75–80 °F. Guppies need 72–82 °F, kribensis need 75–80 °F.

What size tank do guppies and kribensis need together?

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