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Is a Global Quantitative Assessment of Shark Populations Warranted ?
Published online on 12. October 2015 Is a Global Quantitative Assessment of Shark Populations Warranted ? Matias Braccini ABSTRACT: A recent global quantitative assessment suggested that “the majority of shark populations will continue to decline under current fishing pressure” (Worm et al. 2013:198) and concluded that global shark mortality needs to be drastically reduced to
DNA capture reveals transoceanic gene flow in endangered river sharks
Published on 12. October 2015 DNA capture reveals transoceanic gene flow in endangered river sharks Chenhong Li, Shannon Corrigan, Lei Yang, Nicolas Straube, Mark Harris, Michael Hofreiter, William T. White, Gavin J. P. Naylor ABSTRACT: For over a hundred years, the “river sharks” of the genus Glyphis were only known from the type specimens of
Rediscovery of the Threatened River Sharks, Glyphis garricki and G. glyphis, in Papua New Guinea
Published on 07. October 2015 Rediscovery of the Threatened River Sharks, Glyphis garricki and G. glyphis, in Papua New Guinea William T. White , Sharon A. Appleyard, Benthly Sabub, Peter M. Kyne, Mark Harris, Rickson Lis, Leontine Baje, Thomas Usu, Jonathan J. Smart, Shannon Corrigan, Lei Yang, Gavin J. P. Naylor ABSTRACT: Recent surveys of
High survivorship after catch-and-release fishing suggests physiological resilience in the mako shark
Accepted on 30. August 2015 High survivorship after catch-and-release fishing suggests physiological resilience in the endothermic shortfin mako shark (Isurus oxyrinchus) Robert P. French, Jeremy Lyle, Sean Tracey, Suzanne Currie, Jayson M. Semmens ABSTRACT: The shortfin mako shark (Isurus oxyrinchus) is a species commonly targeted by commercial and recreational anglers in many parts of the
Predators help protect carbon stocks in blue carbon ecosystems
Published online on 28. September 2015 Predators help protect carbon stocks in blue carbon ecosystems Trisha B. Atwood, Rod M. Connolly, Euan G. Ritchie, Catherine E. Lovelock, Michael R. Heithaus, Graeme C. Hays, James W. Fourqurean, Peter I. Macreadie ABSTRACT: Predators continue to be harvested unsustainably throughout most of the Earth’s ecosystems. Recent research demonstrates
Ontogenetic and Sex-Specific Shifts in the Feeding Habits of the Barndoor Skate
Published online on 23. September 2015 Ontogenetic and Sex-Specific Shifts in the Feeding Habits of the Barndoor Skate Joseph D. Schmitt, Todd Gedamke, William D. DuPaul, John A. Musick ABSTRACT: Diet analysis is critical in understanding the flow of energy within marine food webs and is necessary for trophic ecosystem modeling and subsequent ecosystem-based management
Multi-Year Impacts of Ecotourism on Whale Shark Visitation at Ningaloo Reef
Published on 23. September 2015 Multi-Year Impacts of Ecotourism on Whale Shark (Rhincodon typus) Visitation at Ningaloo Reef, Western Australia R. L. Sanzogni, M. G. Meekan, J. J. Meeuwig ABSTRACT: In-water viewing of sharks by tourists has become a popular and lucrative industry. There is some concern that interactions with tourists with ecotourism operations might
Global pattern of phylogenetic species composition of shark and its conservation priority
Published online on 23. September 2015 Global pattern of phylogenetic species composition of shark and its conservation priority Hungyen Chen, Hirohisa Kishino ABSTRACT: The diversity of marine communities is in striking contrast with the diversity of terrestrial communities. In all oceans, species richness is low in tropical areas and high at latitudes between 20 and
Characterisation of the TNF superfamily members CD40L and BAFF in the small-spotted catshark
Published online on 16. September 2015 Characterisation of the TNF superfamily members CD40L and BAFF in the small-spotted catshark (Scyliorhinus canicula) Ronggai Li, Anthony K. Redmond, Tiehui Wang, Steve Bird, Dr. Helen Dooley, Chris J. Secombes ABSTRACT: The tumour necrosis factor superfamily (TNFSF) members CD40L and BAFF play critical roles in mammalian B cell survival,
Swimming strategy and body plan of the world’s largest fish
Published on 15. September 2015 Swimming strategy and body plan of the world’s largest fish: implications for foraging efficiency and thermoregulation Mark G. Meekan, Lee A. Fuiman, Randall Davis, Yuval Berger, Michele Thums ABSTRACT: The largest animals in the oceans eat prey that are orders of magnitude smaller than themselves, implying strong selection for cost-effective
Thesis: Diving Beneath the Surface – A Phenomenological Exploration of Shark Ecotourism
Published in 2015 Diving Beneath the Surface: A Phenomenological Exploration of Shark Ecotourism and Environmental Interpretation from the Perspective of Tourists Jenna Colangelo ABSTRACT: Wildlife ecotourism is becoming a well-established industry due to its ability to contribute to local economies and the growing tourist demand for opportunities to observe endangered or rare species. Wildlife ecotourism
Shark Attack Related Injuries: Epidemiology and Implications for Plastic Surgeons
Published on 11. September 2015 Shark Attack Related Injuries: Epidemiology and Implications for Plastic Surgeons Joseph A. Ricci, Christina R. Vargas, Dhruv Singhal, Bernard T. Lee ABSTRACT: Background The increased media attention to shark attacks has led to a heightened fear and public awareness. Although few sharks are considered dangerous, attacks on humans can result
Fact sheet: Towards a national population assessment for white sharks
Towards a national population assessment for white sharks N.J. Bax, Marine Biodiversity Hub ( Sept 2015 ) A unique combination of acoustic tagging and genetic and statistical analysis is contributing to the first evidence-based estimates of white shark population size and status in Australia. White sharks are listed as vulnerable under the Commonwealth Environment Protection
Fact sheet: Exploring the status of Australia’s hammerhead sharks
Exploring the status of Australia’s hammerhead sharks N.J. Bax, Marine Biodiversity Hub ( July 2015 ) Scientists are reviewing a raft of information about hammerhead sharks to provide a basis for better understanding and protecting these unique and susceptible species. Information on the status of Australian hammerhead shark populations is needed to support Australian and
Bythaelurus tenuicephalus n. sp., a new deep-water catshark from the western Indian Ocean
Published on 07. September 2015 Bythaelurus tenuicephalus n. sp., a new deep-water catshark (Carcharhiniformes, Scyliorhinidae) from the western Indian Ocean Carina Julia Kaschner, Simon Weigmann, Ralf Thiel ABSTRACT: A new dwarf deep-water catshark, Bythaelurus tenuicephalus, is described based on one adult and one juvenile male specimen from off Tanzania and Mozambique in the western Indian