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Oceanic whitetip sharks caught by the Brazilian tuna longline fleet
Size, distribution and catch rates of the oceanic whitetip shark caught by the Brazilian tuna longline fleet Mariana Travassos Tolotti, Paulo Travassos, Flávia Lucena Frédou, Catarina Wor, Fábio Hazin ABSTRACT: Catch and effort data from 14,835 longline sets conducted by foreign tuna longline vessels chartered by Brazil, from 2004 to 2010, were analyzed aiming at
No effect from rare-earth metal deterrent on shark bycatch
No effect from rare-earth metal deterrent on shark bycatch in a commercial pelagic longline trial Aurelie Cosandey Godin, Tonya Wimmer, John H. Wang, Boris Worm ABSTRACT: The indiscriminate capture of non-target organisms (bycatch) in commercial fisheries undermines the sustainable development of marine resources. In the Northwest Atlantic, blue sharks (Prionace glauca) account for most of
Reproductive biology and fisheries of mako and blue sharks in the Pacific Ocean
Insights into the reproductive biology and fisheries of two commercially exploited species, shortfin mako (Isurus oxyrinchus) and blue shark (Prionace glauca), in the south-east Pacific Ocean Carlos Bustamante, Michael B. Bennett ABSTRACT: In 2005 and 2010, 1241 Isurus oxyrinchus and 1153 Prionace glauca were collected from 178 longline sets in a ship-board observer programme in
DNA Identification of Human Remains Obtained from a Tiger Shark
Published on January 31, 2013 DNA Identification of Human Remains Obtained from a Tiger Shark Sheria L. King, Shelley Johnson, Marisa Roe, Thomas Reynolds and Ellison E. Greenslade CASE SUMMARY : On September 4, 2010, a local investment banker caught a 12-foot tiger shark while on a deep-sea fishing trip off the coast of New
NOAA Shark Fin Guide
NOAA Technical Memorandum NMFS-SEFSC-643 Visual Identification of Fins from Common Elasmobranchs in the Northwest Atlantic Ocean Abercrombie, D.L., Chapman, D.D., Gulak, S.J.B., and Carlson, J.K March 2013 PDF – DOWNLOAD
Study on freshness of blue sharks landed in Japan
Published in March 2013 The market value of freshness: observations from the swordfish and blue shark longline fishery Gakushi Ishimura, Megan Bailey ABSTRACT: One important component in determining the market value of fish is freshness, essentially the time period from capture to consumer. By shortening the time from harvest to landing, freshness can be improved
Population structure and residency patterns of the blacktip reef shark
Published online on 12. March 2013 Population structure and residency patterns of the blacktip reef shark Carcharhinus melanopterus in turbid coastal environments A. Chin, A. J. Tobin, M. R. Heupel, C. A. Simpfendorfer ABSTRACT: This study examined the characteristics of a blacktip reef shark Carcharhinus melanopterus population in turbid coastal habitats through a multi-year fishery-independent
Global catches, exploitation rates, and rebuilding options for sharks
Final Version to be published in July 2013 Global catches, exploitation rates, and rebuilding options for sharks Boris Worm, Brendal Davis, Lisa Kettemer, Christine A. Ward-Paige, Demian Chapman, Michael R. Heithaus, Steven T. Kessel, Samuel H. Gruber ABSTRACT: Adequate conservation and management of shark populations is becoming increasingly important on a global scale, especially because
Chemical shark repellent: Myth or fact ?
Published online on 05. February 2013 Chemical shark repellent: Myth or fact? The effect of a shark necromone on shark feeding behavior Eric M. Stroud, Craig P. O’Connell, Patrick H. Rice, Nicholas H. Snow, Brian B. Barnes, Mohammed R. Elshaer, James E. Hanson ABSTRACT: Since 1942, the search for an effective chemical shark repellent has
First report of an embryonic dusky shark with cyclopia
Published in January 2013 First report of an embryonic dusky shark (Carcharhinus obscurus) with cyclopia and other abnormalities Olga Marcela Bejarano-Álvarez and Felipe Galván-Magaña ABSTRACT: We report the first record of an elasmobranch (shark) with cyclopia and other abnormalities (albinism, absence of nostrils, a bump on the snout and a slight abnormality in the vertebral
First record of the mandarin dogfish from Western Australia
Published in January 2013 First record of the mandarin dogfish Cirrhigaleus barbifer (Chondrichthyes: Squalidae) from Western Australia Ryan M. Kempster, David M. Hunt, Brett A. Human, Channing A. Egeberg and Shaun P. Collin ABSTRACT: The mandarin dogfish, Cirrhigaleus barbifer, is the only species in this genus found in Western Australia, and represents a significant range
First record of the sand tiger shark from United Arab Emirates waters
Published in January 2013 First record of the sand tiger shark, Carcharias taurus, from United Arab Emirates waters Rima W. Jabado, Saif M. Al Ghais, Waleed Hamza, Aaron C. Henderson and Mohamed A. Ahmad ABSTRACT: On 18 March 2012, a female specimen of the sand tiger shark, Carcharias taurus, measuring 256 cm, was by-caught by a
Shark bite scars on Sarasota Bay resident bottlenose dolphins
An analysis of shark bite scars on the Sarasota Bay resident bottlenose dolphin community and implications for habitat use By Krystan Wilkinson, MS Student, University of Florida January 2013 Nicks n Notches Predator-prey relationships have long been an interest of ecologists. Such relationships are dynamic. One false move may result in an individual being taken
Dorsal spine-associated luminescence in a counterilluminating lanternshark
Published on 21. February 2013 A deepwater fish with ‘lightsabers’ – dorsal spine-associated luminescence in a counterilluminating lanternshark Julien M. Claes, Mason N. Dean, Dan-Eric Nilsson, Nathan S. Hart, Jérôme Mallefet ABSTRACT: We report the discovery of light organs (photophores) adjacent to the dorsal defensive spines of a small deep-sea lanternshark (Etmopterus spinax). Using a
Movements, Philopatry and Expanded Depth Range of the Oceanic Whitetip Shark
Published on 20. February 2013 Complex Movements, Philopatry and Expanded Depth Range of a Severely Threatened Pelagic Shark, the Oceanic Whitetip (Carcharhinus longimanus) in the Western North Atlantic Howey-Jordan LA, Brooks EJ, Abercrombie DL, Jordan LKB, Brooks A, et al. ABSTRACT: Oceanic whitetip sharks (Carcharhinus longimanus) have recently been targeted for conservation in the western