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Ocean acidification and global warming impair shark hunting behaviour and growth
Published online on 12. November 2015 Ocean acidification and global warming impair shark hunting behaviour and growth Jennifer C. A. Pistevos, Ivan Nagelkerken, Tullio Rossi, Maxime Olmos, Sean D. Connell ABSTRACT: Alterations in predation pressure can have large effects on trophically-structured systems. Modification of predator behaviour via ocean warming has been assessed by laboratory experimentation
Study Case on Controlled Breeding and First Growth Steps of Chiloscyllium punctatum
Published on 09. November 2015 Study Case on Controlled Breeding and First Growth Steps of Chiloscyllium punctatum Rossi G, Florio D, Gridelli S ABSTRACT: Such study, conducted at Acquario di Cattolica (Rimini, Italy), lasted six months of observations on Chiloscyllium punctatum reproductive biology. It is an oviparous species present in many aquaria around the world,
Foraging mode of the grey reef shark under two different scenarios
Published on 20. October 2015 Foraging mode of the grey reef shark, Carcharhinus amblyrhynchos, under two different scenarios W. D. Robbins, P. Renaud ABSTRACT: Knowledge of an animal’s predatory interactions provides insight into its ecological role. Until now, investigation of reef shark predation has relied on artificial stimuli to facilitate feeding events, with few sightings
New insights into the evolutionary history of white sharks
Published online on 22. October 2015 New insights into the evolutionary history of white sharks, Carcharodon carcharias Sara Andreott, Sophie von der Heyden, Romina Henriques, Michael Rutzen, Michael Meÿer, Herman Oosthuizen, Conrad A. Matthee ABSTRACT: Aim To determine the genetic structure of the white shark population around the South African coastline and, by including data
Methyl mercury concentrations in edible fish and shellfish from the South Island, New Zealand
Published online on 21. October 2015 Methyl mercury concentrations in edible fish and shellfish from Dunedin, and other regions around the South Island, New Zealand Ashish K. Sadhu, Jonathan P. Kim, Hamish Furrell, Ben Bostock ABSTRACT: Methyl mercury (MeHg) concentrations were determined in edible fish and shellfish available in local markets in Dunedin, New Zealand.
Long-distance, return migration across open ocean by a pregnant female bull shark
Published online on 29. October 2015 To Madagascar and back: long-distance, return migration across open ocean by a pregnant female bull shark Carcharhinus leucas J. S. E. Lea, N. E. Humphries, C. R. Clarke, D. W. Sims ABSTRACT: A large, pregnant, female bull shark Carcharhinus leucas was tracked migrating from Seychelles across open ocean to
Behaviour and recovery of juvenile lemon sharks in response to external accelerometer tag attachment
Published online on 29. October 2015 The behaviour and recovery of juvenile lemon sharks Negaprion brevirostris in response to external accelerometer tag attachment R. W. Bullock, T. L. Guttridge, I. G. Cowx, M. Elliott, S. H. Gruber ABSTRACT: Behavioural responses of lemon sharks Negaprion brevirostris to a fin-mounted tag package (CEFAS G6A tri-axial accelerometer with
Vulnerability of the Oceanic Whitetip Shark to Pelagic Longline Fisheries
Published on 22. October 2015 Vulnerability of the Oceanic Whitetip Shark to Pelagic Longline Fisheries Mariana Travassos Tolotti, Pascal Bach, Fábio Hazin, Paulo Travassos, Laurent Dagorn ABSTRACT: A combination of fisheries dependent and independent data was used to assess the vulnerability of the oceanic whitetip shark to pelagic longline fisheries. The Brazilian tuna longline fleet,
Shark attack: the emergency presentation and management
Published on 15. October 2015 Shark attack: the emergency presentation and management Conor Gouk, Daman Pasricha, Sharanya Lingathas DESCRIPTION: A previously healthy 32-year-old man, a body-boarder, was transported to hospital by primary retrieval helicopter, within 2 h of a shark attack injuring both legs. Tourniquets were applied bilaterally to decrease haemorrhage. En route to hospital he
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