 Moby Dick, it was later surmised, had likely been captured on the East Coast of Canada and put on a freighter and sent to a zoo in England.Shortly before landing, a storm in the English channel threw the container with Moby overboard who disappeared, before reappearing months later far up the Rhine river.Wolfgang Gewalt, the director of the Duisburg Zoo, tried to subdue the unusual guest in the Rhine with nets and tranquilizer darts.