Can red tail sharks live with ramshorn snails?

Verdict
Yes

Yes, red tail sharks and ramshorn snails can live together. Both are fine at 72–79°F. Plan on at least 55 gal.

Red tail sharkRed tail shark72–79°F · pH 6.5–7.5 Ramshorn snailRamshorn snail70–80°F · pH 7–8

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–79°Red tail shark 72–79°Ramshorn snail 70–80°
The green band is the temperature range both can live in.
456789Both: 7–7.5Red tail shark 6.5–7.5Ramshorn snail 7–8
The green band is the pH both tolerate.

Size to scale

Red tail shark · 5 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

Red tail sharkRamshorn snail
Temperature72–79 °F70–80 °F
pH6.5–7.57–8
Adult size5.0 in1.0 in
Minimum tank55 gal5 gal
TemperamentSemi-aggressivePeaceful
Swims atBottomBottom
GroupOne per tankAlone or in pairs
DietOmnivoreOmnivore

Better tank mates for red tail sharks

All red tail shark tank mates

Better tank mates for ramshorn snails

All ramshorn snail tank mates

Questions

Can red tail sharks live with ramshorn snails?

Yes, red tail sharks and ramshorn snails can live together. Both are fine at 72–79°F. Plan on at least 55 gal.

What temperature suits both red tail sharks and ramshorn snails?

72–79 °F. Red tail sharks need 72–79 °F, ramshorn snails need 70–80 °F.

What size tank do red tail sharks and ramshorn snails need together?

At least 55 gal, set by the red tail shark. Add space for each extra fish.