02. Living fossils (21)

  • Acipenser ruthenus

    6. July 2007

    The Sterlett is a smaller sturgeon species from Eastern Europe, it origins in tributaries of the Black and of the Kaspian Sea. It occurs in the Danube, where it ascended in former times up to Ulm, today there are occasionally catches up to Passau. Their shape and swimming behavior reminds on sharks, but there is […]