Can congo tetras live with ramshorn snails?

Verdict
Yes

Yes, congo tetras and ramshorn snails can live together. Both are fine at 73–80°F. Plan on at least 30 gal.

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 73–80°Congo tetra 73–82°Ramshorn snail 70–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Congo tetra 6–7.5Ramshorn snail 7–8
The green band is the pH both tolerate.

Size to scale

Congo tetra · 3 inRamshorn snail · 1 in0"1"2"3"4"5"6"
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

Congo tetraRamshorn snail
Temperature73–82 °F70–80 °F
pH6–7.57–8
Adult size3.0 in1.0 in
Minimum tank30 gal5 gal
TemperamentPeacefulPeaceful
Swims atMiddleBottom
GroupGroups of 6+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for congo tetras

All congo tetra tank mates

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Questions

Can congo tetras live with ramshorn snails?

Yes, congo tetras and ramshorn snails can live together. Both are fine at 73–80°F. Plan on at least 30 gal.

What temperature suits both congo tetras and ramshorn snails?

73–80 °F. Congo tetras need 73–82 °F, ramshorn snails need 70–80 °F.

What size tank do congo tetras and ramshorn snails need together?

At least 30 gal, set by the congo tetra. Add space for each extra fish.