Can pea puffers live with siamese algae eaters?

Verdict
Yes, with care

Yes, with care. Pea puffers and siamese algae eaters can share a tank, but watch one thing. Pea puffers are aggressive, though siamese algae eaters are big enough to shrug most of it off.

What to watch

What works

Water side by side

55°60°65°70°75°80°85°90°Both: 75–79°Pea puffer 74–82°Siamese algae eater 75–79°
The green band is the temperature range both can live in.
456789Both: 7–7.5Pea puffer 7–8Siamese algae eater 6.5–7.5
The green band is the pH both tolerate.

Size to scale

Pea puffer · 1 inSiamese algae eater · 6 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

Pea pufferSiamese algae eater
Temperature74–82 °F75–79 °F
pH7–86.5–7.5
Adult size1.0 in6.0 in
Minimum tank5 gal30 gal
TemperamentAggressivePeaceful
Swims atAll levelsBottom
GroupAlone or in pairsAlone or in pairs
DietCarnivoreHerbivore

Better tank mates for pea puffers

All pea puffer tank mates

Better tank mates for siamese algae eaters

All siamese algae eater tank mates

Questions

Can pea puffers live with siamese algae eaters?

Yes, with care. Pea puffers and siamese algae eaters can share a tank, but watch one thing. Pea puffers are aggressive, though siamese algae eaters are big enough to shrug most of it off.

What temperature suits both pea puffers and siamese algae eaters?

75–79 °F. Pea puffers need 74–82 °F, siamese algae eaters need 75–79 °F.

What size tank do pea puffers and siamese algae eaters need together?

At least 30 gal, set by the siamese algae eater. Add space for each extra fish.