Gastropods of the family Lymnaeidae (Pulmonata) in the littoral zone and Spirogyra blooms from the northwest of Lake Baikal

  • Zhuykova N.S. 1, 2
  • 1 Irkutsk State University, Irkutsk, Russia
    2 Limnological Institute, Siberian Branch of the Russian Academy of Sciences, Ulan-Batorskaya Str., 3, Irkutsk, 664033, Russia
Keywords: Radix auricularia, open littoral zone, shell variability


Palearctic Radix auricularia (Linnaeus, 1758) inhabiting open littoral zone near the Zarechnoye settlement (6 km from the Severobaikalsk town) identified from anatomy show a high shell variability and can be subdivided into two morphs: with low and high spire. The empty shells of this species have been found over the past six years within green algae washed ashore of this area.