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Bronwynne Busch 2603507

Carcharhinus obscurus. Bronwynne Busch 2603507. Department of Biodiversity and Conservation Biology, UWC. Private Bag X17, Bellville 7530. Carcharhinus obscurus. Dusky shark. One of the largest shark species. Distribution. Atlantic ocean. Pacific ocean. Indian ocean. Pacific ocean.

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Bronwynne Busch 2603507

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  1. Carcharhinus obscurus Bronwynne Busch 2603507 Department of Biodiversity and Conservation Biology, UWC Private Bag X17, Bellville 7530

  2. Carcharhinus obscurus • Dusky shark • One of the largest shark species • Distribution Atlantic ocean Pacific ocean Indian ocean Pacific ocean

  3. Biology • possesses a streamlined • body • first dorsal fin • pectoral fins • distinguishing • characteristics

  4. Age determination methods • Tagging • Juveniles • Not reliable • Predators • Vertebrate analysis • washed in solutions • dissecting microscope • X-rays

  5. References • Johnson R.H (1978), “Sharks of tropical and temperate seas”, Pisces books, Houston • Joung SJ, Liao Y and Chen C (2004), “Age and growth of sandabar sharks, Carcharhinus plumbeaus, in northeastern taiwan waters”, Fisheries Research, volume 10 (online)(cite 2 April 2008) Available at http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TN-4DBJW_3&_user • Joung S, Chen C, Lee H and Liu K (2007), “Age, growth and reproduction of silky sharks Carcharhinus falciformis, in northeastern Taiwan waters, Fisheries Research, volume 90 (online) (cited 2 April 2008) Available at http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TN-4PSK8N8_&_user • Lesueur C.A (1818), “Carcharhinus obscurus”, (online)(cited 04 April 2008) Available at http://www.gma.org/fogm/carcharhinusobscurus.htm/ • Lessa R, Santana IM and Poglerani R (1999), “Age, growth and stock strucutre of the oceanic whitetip shark, carcharhinus longimanus, from the southwestern equaltorial Atlantic”, Fisheries Research, volume 42 (online) (cited 2 April 2008) Available at http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TN-3X82TH0-2&_user • Marinebio (2004), “Carcharhinus obscurus: Dusky Shark”, (online)(cited 04 April 2008) Available at http://www.marinebio.org • Sedberry G.R (2003), “Satellite Tagging of Oceanic Sharks and Billfishes on the Charleston Bump” (online)(cited 04 April 2008) Available at http://www.oceanica.cofc.edu/home.htm

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