Can goldfish live with black skirt tetras?

Verdict

Yes, with care

Yes, with care. Goldfish and black skirt tetras can share a tank, but watch one thing. A grown goldfish may treat small black skirt tetras as food, especially at night.

Goldfish60–74°F · pH 7–8

Black skirt tetra70–80°F · pH 6–7.5

What to watch

Watch outA grown goldfish may treat small black skirt tetras as food, especially at night.

What works

Both are fine at 70–74°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

	Goldfish	Black skirt tetra
Temperature	60–74 °F	70–80 °F
pH	7–8	6–7.5
Adult size	10.0 in	2.5 in
Minimum tank	40 gal	15 gal
Temperament	Peaceful	Semi-aggressive
Swims at	All levels	Middle
Group	Alone or in pairs	Groups of 6+
Diet	Omnivore	Omnivore

Better tank mates for goldfish

All goldfish tank mates

Better tank mates for black skirt tetras

All black skirt tetra tank mates

Questions

Can goldfish live with black skirt tetras?

Yes, with care. Goldfish and black skirt tetras can share a tank, but watch one thing. A grown goldfish may treat small black skirt tetras as food, especially at night.

What temperature suits both goldfish and black skirt tetras?

70–74 °F. Goldfish need 60–74 °F, black skirt tetras need 70–80 °F.

What size tank do goldfish and black skirt tetras need together?

At least 40 gal, set by the goldfish. Add space for each extra fish.