Stagnicola corvus - Photo of <i><a href="//commons.wikimedia.org/wiki/Stagnicola_corvus" title="Stagnicola corvus">Stagnicola corvus</a></i>. Scale in mm. Locality: Germany: Wedeler Marsch near Hamburg. Date: 23-01-1994. © Francisco Welter Schultes - Public domain - Wikimedia Commons
Étang du Grand-Lemps