Can bichirs live with assassin snails?

Verdict

Yes, with care

Yes, with care. Bichirs and assassin snails can share a tank, but watch one thing. Large bichirs crack or pick at small snails. A big mystery snail has better odds than a ramshorn.

Bichir72–82°F · pH 6.5–7.5

Assassin snail75–80°F · pH 7–8

What to watch

Watch outLarge bichirs crack or pick at small snails. A big mystery snail has better odds than a ramshorn.
Watch outBichirs grow to 12 inches and need 75 gallons, far more than a tank set up for assassin snails.

What works

Both are fine at 75–80°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

	Bichir	Assassin snail
Temperature	72–82 °F	75–80 °F
pH	6.5–7.5	7–8
Adult size	12.0 in	1.0 in
Minimum tank	75 gal	5 gal
Temperament	Semi-aggressive	Peaceful
Swims at	Bottom	Bottom
Group	Alone or in pairs	Alone or in pairs
Diet	Carnivore	Carnivore

Better tank mates for bichirs

All bichir tank mates

Better tank mates for assassin snails

All assassin snail tank mates

Questions

Can bichirs live with assassin snails?

Yes, with care. Bichirs and assassin snails can share a tank, but watch one thing. Large bichirs crack or pick at small snails. A big mystery snail has better odds than a ramshorn.

What temperature suits both bichirs and assassin snails?

75–80 °F. Bichirs need 72–82 °F, assassin snails need 75–80 °F.

What size tank do bichirs and assassin snails need together?

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