Can guppies live with clown loaches?

Verdict

Yes, with care

Yes, with care. Guppies and clown loaches can share a tank, but watch one thing. A grown clown loach may treat small guppies as food, especially at night.

Guppy72–82°F · pH 6.8–7.8

Clown loach77–86°F · pH 6–7.5

What to watch

Watch outA grown clown loach may treat small guppies as food, especially at night.
Watch outClown loaches grow to 8 inches and need 75 gallons, far more than a tank set up for guppies.

What works

Both are fine at 77–82°F.
pH 6.8–7.5 suits both.
They use different parts of the tank: guppies the top, clown loaches 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

	Guppy	Clown loach
Temperature	72–82 °F	77–86 °F
pH	6.8–7.8	6–7.5
Adult size	2.0 in	8.0 in
Minimum tank	10 gal	75 gal
Temperament	Peaceful	Peaceful
Swims at	Top	Bottom
Group	Groups of 3+	Groups of 5+
Diet	Omnivore	Omnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for clown loaches

All clown loach tank mates

Questions

Can guppies live with clown loaches?

Yes, with care. Guppies and clown loaches can share a tank, but watch one thing. A grown clown loach may treat small guppies as food, especially at night.

What temperature suits both guppies and clown loaches?

77–82 °F. Guppies need 72–82 °F, clown loaches need 77–86 °F.

What size tank do guppies and clown loaches need together?

At least 75 gal, set by the clown loach. Add space for each extra fish.