Can congo tetras live with plecos?

Verdict

Yes, with care

Yes, with care. Congo tetras and plecos can share a tank, but watch one thing. Plecos grow to 15 inches and need 125 gallons, far more than a tank set up for congo tetras.

Congo tetra73–82°F · pH 6–7.5

Common pleco72–86°F · pH 6.5–7.5

What to watch

Watch outPlecos grow to 15 inches and need 125 gallons, far more than a tank set up for congo tetras.

What works

Both are fine at 73–82°F.
pH 6.5–7.5 suits both.
They use different parts of the tank: congo tetras the mid, plecos the bottom.

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

	Congo tetra	Common pleco
Temperature	73–82 °F	72–86 °F
pH	6–7.5	6.5–7.5
Adult size	3.0 in	15.0 in
Minimum tank	30 gal	125 gal
Temperament	Peaceful	Peaceful
Swims at	Middle	Bottom
Group	Groups of 6+	Alone or in pairs
Diet	Omnivore	Herbivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for plecos

All common pleco tank mates

Questions

Can congo tetras live with plecos?

Yes, with care. Congo tetras and plecos can share a tank, but watch one thing. Plecos grow to 15 inches and need 125 gallons, far more than a tank set up for congo tetras.

What temperature suits both congo tetras and plecos?

73–82 °F. Congo tetras need 73–82 °F, plecos need 72–86 °F.

What size tank do congo tetras and plecos need together?

At least 125 gal, set by the common pleco. Add space for each extra fish.