Can neon tetras live with assassin snails?

Verdict

Yes, with care

Yes, with care. Neon tetras and assassin snails can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

Neon tetra72–79°F · pH 6–7

Assassin snail75–80°F · pH 7–8

What to watch

Watch outWater chemistry is a squeeze. The only pH that suits both is around 7.

What works

Both are fine at 75–79°F.
They use different parts of the tank: neon tetras the mid, assassin snails 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

	Neon tetra	Assassin snail
Temperature	72–79 °F	75–80 °F
pH	6–7	7–8
Adult size	1.5 in	1.0 in
Minimum tank	10 gal	5 gal
Temperament	Peaceful	Peaceful
Swims at	Middle	Bottom
Group	Groups of 6+	Alone or in pairs
Diet	Omnivore	Carnivore

Better tank mates for neon tetras

All neon tetra tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can neon tetras live with assassin snails?

Yes, with care. Neon tetras and assassin snails can share a tank, but watch one thing. Water chemistry is a squeeze. The only pH that suits both is around 7.

What temperature suits both neon tetras and assassin snails?

75–79 °F. Neon tetras need 72–79 °F, assassin snails need 75–80 °F.

What size tank do neon tetras and assassin snails need together?

At least 10 gal, set by the neon tetra. Add space for each extra fish.