TankmateChecker

Can pea puffers live with guppies?

Verdict

No

No. Pea puffers and guppies should not share a tank. Pea puffers nip fins, and the long fins of guppies are an easy target.

Pea puffer

Pea puffer74–82°F · pH 7–8

Guppy

Guppy72–82°F · pH 6.8–7.8

What to watch

Deal breakerPea puffers nip fins, and the long fins of guppies are an easy target.
Watch outPea puffers are aggressive, though guppies are big enough to shrug most of it off.

What works

Both are fine at 74–82°F.
pH 7–7.8 suits both.

Water side by side

The green band is the temperature range both can live in.

The green band is the pH both tolerate.

Size to scale

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

	Pea puffer	Guppy
Temperature	74–82 °F	72–82 °F
pH	7–8	6.8–7.8
Adult size	1.0 in	2.0 in
Minimum tank	5 gal	10 gal
Temperament	Aggressive	Peaceful
Swims at	All levels	Top
Group	Alone or in pairs	Groups of 3+
Diet	Carnivore	Omnivore

Better tank mates for pea puffers

CrayfishYes

All pea puffer tank mates

Better tank mates for guppies

All guppy tank mates

Questions

Can pea puffers live with guppies?

No. Pea puffers and guppies should not share a tank. Pea puffers nip fins, and the long fins of guppies are an easy target.

What temperature suits both pea puffers and guppies?

74–82 °F. Pea puffers need 74–82 °F, guppies need 72–82 °F.

What size tank do pea puffers and guppies need together?

At least 10 gal, set by the guppy. Add space for each extra fish.