Its range extends through central Europe (including Austria, Germany, the Netherlands, Luxembourg, Lichtenstein, Switzerland and the Czech Republic) into southern Europe (where it has been recorded in Greece and Italy) and eastern Europe and the Caucasus (including Albania, Armenia, Azerbaijan, Bosnia and Herzegovina, Bulgaria, Croatia, Estonia, Hungary, Latvia, Lithuania, North Macedonia, Montenegro, Poland, Romania, Serbia, Slovakia, Slovenia and Ukraine).

[1] Additionally, as the species is sometimes sold in the aquarium trade, it is also found outside of its main range in small ponds where they have been released or placed.

Planorbarius corneus is the largest European species of ramshorn snail (family Planorbidae), with a shell typically measuring 35 millimetres (1.4 in) across when fully-grown.

The shell is light yellowish with a brown, reddish or greenish periostracum, radially and spirally weakly striated.

[6] Reproduction in spring and autumn at water temperatures above 15 °C, eggs (diameter 1.2-1.7 mm) are laid in mostly elongate capsules of 8–15 mm width, each strain containing 12-40 eggs, fixed to aquatic plants, embryos are reddish with transparent shells, juveniles hatch after 14–16 days, life span up to 3 years.

In case of leafy or vegetable food, leftovers should be quickly removed in order to keep ammonium and nitrate levels low.