Aliens and Returnees: Review of Neobiotic Species of Freshwater Mollusks in Siberia from the Kazakhstan Steppe to the Arctic Tundra

This article reviews all available information on the species composition, current distribution, and origins of neobiotic (non-indigenous restoring lost range) freshwater mollusks in Siberia. An extensive literary search has been carried out, virtually existing publications recent decades findings mollusk new to Siberia were taken into account. We examined malacological collections some Russia’s Kazakhstan’s scientific organizations. The core material is our own observations made various parts adjacent areas. annotated checklist reliably recorded presented, probable mechanisms “corridors” infiltration these region are discussed. Most discovered snail belong a group popular among aquarists, their source introduction obvious. Another large portion infiltrate with development fish farming. A classification was proposed forecast for changes Siberian malacofauna coming decades. In opinion, at present it possible accept newest stage genesis Siberia, occurring conditions specific Anthropocene.