a shell of bithynia tentaculata.
operculum of bithynia tentaculata.
the height of shell no larger 12–15 mm. snail sexually mature time height of shell reaches 8 mm in size.
the width of shell 5–7 mm.
the faucet snail has shiny pale brown shell, oval in shape, relatively large , rounded spire consisting of 5–6 flattened whorls, no umbilicus, , thick lip. aperture less half height of shell.
adult bithynia tentaculata possess white, calcareous, tear-drop oval-shaped operculum distinct concentric rings. operculum of juveniles, however, spirally marked. operculum (on of foot) situated close aperture of shell. animal has pointed, long tentacles , simple foot right cervical lobe acting channel water.
foot of bithynia tentaculata
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