Gyraulus albus


Gyraulus albus, common name White Ramshorn, is a small species of freshwater snail, an aquatic pulmonate gastropod mollusk in the family Planorbidae, the ram's horn snails.
Gyraulus albus is the type species of the genus Gyraulus.

Distribution

This small snail lives in various types of freshwater habitats among weed and on bottom mud. It doesn't require a high level of calcium.

Description

The shell of this species is rather small, reaching a height of 1.3 - 1.8 mm and a width of 4 – 7 mm. This shell has a discoid shape with 4 - 4½ body whorls that expand in the direction of the aperture. This aperture and the whorls are curved and do not have a keel.
The shell of this species is white and has a characteristic spiral sculpture.