While some people find a sturgeon through the mail-slot amusing, I chuckled at the reporter's use of "yobs" to describe the miscreants who stuffed a live (and, as of the time the article went to press, still living) sturgeon through a Portsmouth-area door. My favourite fish prank remains the anarchist who stuffed a Pittsburgh safe-deposit box with agèd cod as a protest against the bank moving jobs out of the area. Not that a good prank need have some political motive.