Can pea puffers live with serpae tetras?

Verdict

Yes, with care

Yes, with care. Pea puffers and serpae tetras can share a tank, but watch one thing. Pea puffers are aggressive. Serpae tetras hold their own only in a big tank with places to hide.

Pea puffer74–82°F · pH 7–8

Serpae tetra72–79°F · pH 6–7.5

What to watch

Watch outPea puffers are aggressive. Serpae tetras hold their own only in a big tank with places to hide.

What works

Both are fine at 74–79°F.
pH 7–7.5 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	Serpae tetra
Temperature	74–82 °F	72–79 °F
pH	7–8	6–7.5
Adult size	1.0 in	1.75 in
Minimum tank	5 gal	20 gal
Temperament	Aggressive	Semi-aggressive
Swims at	All levels	Middle
Group	Alone or in pairs	Groups of 6+
Diet	Carnivore	Omnivore

Better tank mates for pea puffers

CrayfishYes

All pea puffer tank mates

Better tank mates for serpae tetras

All serpae tetra tank mates

Questions

Can pea puffers live with serpae tetras?

Yes, with care. Pea puffers and serpae tetras can share a tank, but watch one thing. Pea puffers are aggressive. Serpae tetras hold their own only in a big tank with places to hide.

What temperature suits both pea puffers and serpae tetras?

74–79 °F. Pea puffers need 74–82 °F, serpae tetras need 72–79 °F.

What size tank do pea puffers and serpae tetras need together?

At least 20 gal, set by the serpae tetra. Add space for each extra fish.