Can kuhli loaches live with plecos?

Verdict

Yes, with care

Yes, with care. Kuhli loaches 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 kuhli loaches.

Kuhli loach75–86°F · pH 5.5–7

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 kuhli loaches.

What works

Both are fine at 75–86°F.
pH 6.5–7 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

	Kuhli loach	Common pleco
Temperature	75–86 °F	72–86 °F
pH	5.5–7	6.5–7.5
Adult size	3.5 in	15.0 in
Minimum tank	20 gal	125 gal
Temperament	Peaceful	Peaceful
Swims at	Bottom	Bottom
Group	Groups of 6+	Alone or in pairs
Diet	Omnivore	Herbivore

Better tank mates for kuhli loaches

All kuhli loach tank mates

Better tank mates for plecos

All common pleco tank mates

Questions

Can kuhli loaches live with plecos?

Yes, with care. Kuhli loaches 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 kuhli loaches.

What temperature suits both kuhli loaches and plecos?

75–86 °F. Kuhli loaches need 75–86 °F, plecos need 72–86 °F.

What size tank do kuhli loaches and plecos need together?

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