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A28    SCIENCE
                Tuesday 7 February 2017


















                  U.S.: Oceanic whitetip shark warrants ‘threatened’ listing



            PATRICK WHITTLE                                                                                                     Oceana.  The  group  has
             Associated Press                                                                                                   also pushed for a broader
            PORTLAND,     Maine   (AP)                                                                                          ban  on  the  U.S.  shark  fin
            —  The  oceanic  whitetip                                                                                           trade, which is already re-
            shark’s  declining  status  in                                                                                      stricted.
            the  wild  warrants  listing  as                                                                                    “In  order  to  truly  combat
            threatened  under  the  En-                                                                                         the  global  trade  of  shark
            dangered Species Act, an                                                                                            fins,  which  kills  tens  of  mil-
            arm of the federal govern-                                                                                          lions  of  sharks  every  year,
            ment has determined.                                                                                                we need to pass a full ban
            The  shark  is  found  around                                                                                       in  the  U.S.  on  the  buying
            the  world,  mostly  in  open                                                                                       and  selling  of  shark  fins,”
            water,  and  the  conserva-                                                                                         Snyder said.
            tion  group  Defenders  of                                                                                          Attacks on humans by the
            Wildlife called on the gov-                                                                                         sharks  are  extremely  rare.
            ernment to list the species.                                                                                        Oceanic    whitetips   are
            The  listing  would  be  the                                                                                        thought  to  be  responsible
            most widespread shark list-                                                                                         for  some  of  the  deaths  of
            ing in the U.S. to date.                                                                                            sailors  who  were  aboard
            The National Marine Fisher-                                                                                         the  USS  Indianapolis,  a
            ies Service said in a docu-                                                                                         Navy cruiser that was sunk
            ment published in the Fed-                                                                                          during  World  War  II.  But
            eral  Register  in  December                                                                                        there  have  been  only  10
            that the sharks are indeed   In this June 21, 2008, photo provided by the University of Miami Rosenstiel School of Marine and   documented   non-pro-
            likely  to  become  endan-   Atmospheric Science, a whitetip shark swims off Cat Island in the Bahamas.             voked  attacks  on  humans
            gered  in  all  or  at  least  a                                                                   Associated Press  by the sharks, according to
            significant  portion  of  their                                                                                     the Florida Museum, which
            range  “within  the  foresee-  Pacific  Ocean  since  the   very  large  pectoral  fins,   der,  a  campaign  director   collects   records   about
            able future.”                1990s,  and  50  percent  to   and so they have fetched   for  conservation  group     shark attacks.q
            Threats  to  the  sharks  in-  85  percent  in  the  Atlantic   a  high  price  on  the  inter-
            clude  fishing  pressure  all   Ocean  since  the  1950s,   national  market  in  Asia,”   Binge Eater: Black hole taking
            over the world, as their fins   said Chelsey Young, a nat-  Young said. “It incentivized
            are prized in Asian markets   ural  resource  manage-     the fin trade.”              over decade to devour star
            for use in soup.             ment specialist for the fish-  The  fisheries  service  is  col-
            The  sharks  have  declined   eries service.              lecting  public  comments    MARCIA DUNN                  ing frenzies have been ob-
            by 80 to 90 percent in the   “The oceanic whitetip has    about the shark’s status un-   AP Aerospace Writer        served since the 1990s, but
                                                                      til  March  and  is  expected   CAPE   CANAVERAL,   Fla.  they’ve  lasted  just  a  year.
                                                                      to make a final decision in   (AP) — Scientists have de-  At  11  years  and  counting,
                                                                      November. Listing the spe-   tected a black hole that’s  this  is  the  longest  known
                                                                      cies  as  threatened  would   taken  a  record-breaking  one  yet.  Lin  and  his  team
                                                                      afford it protections aimed   decade to devour a star —  used data from orbiting X-
                                                                      at recovery.                 and it’s still chewing away.  ray telescopes to study the
                                                                      The  shark  is  also  listed  as   The food fest is happening  monstrous munching. X-ray
                                                                      “vulnerable”  on  the  Inter-  in a small galaxy 1.8 billion  flares  erupt  when  a  star
                                                                      national  Union  for  Conser-  light-years from Earth.    gets swallowed by a black
                                                                      vation of Nature Red List of   University  of  New  Hamp-  hole and cooked millions of
                                                                      Threatened  Species.  Ad-    shire   research   scientist  degrees. Black holes clear-
                                                                      ditional  protections  would   Dacheng (dah-CHENG) Lin  ly like their stars well done.
                                                                      only  help,  said  Lora  Sny-  said  that  black  hole  feed-  q
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