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Morphology of the ampullae of Lorenzini in juvenile freshwater bull sharks
Published online on 17. December 2014 Morphology of the ampullae of Lorenzini in juvenile freshwater Carcharhinus leucas Darryl L. Whitehead, Arnault R.G. Gauthier, Erica W.H. Mu, Mike B. Bennett, Ian R. Tibbetts ABSTRACT: Ampullae of Lorenzini were examined from juvenile Carcharhinus leucas (831–1,045 mm total length) captured from freshwater regions of the Brisbane River. The
Distribution and feeding habitat characterization of whale sharks in a protected area in the north Caribbean Sea
Published online on 19. December 2014 Distribution and feeding habitat characterization of whale sharks Rhincodon typus in a protected area in the north Caribbean Sea N. Cárdenas-Palomo, J. Herrera-Silveira, I. Velázquez-Abunader, O. Reyes, U. Ordoñez ABSTRACT: The relationship between the distribution of the whale shark Rhincodon typus and hydrobiological variables in the Caribbean Sea during
Maternal offloading of organochlorine contaminants in the yolk-sac placental scalloped hammerhead shark
Published on 20. December 2014 Maternal offloading of organochlorine contaminants in the yolk-sac placental scalloped hammerhead shark (Sphyrna lewini) Kady Lyons, Douglas H. Adams ABSTRACT: Elasmobranchs are a group of animals that typically occupy upper trophic levels in food webs and have a propensity to accumulate high contaminant concentrations. To date, few studies have investigated
The Value of Taxon-focused Science: 30 Years of Elasmobranchs in Biological Research and Outreach
Published on 16. December 2014 The Value of Taxon-focused Science: 30 Years of Elasmobranchs in Biological Research and Outreach Lara A. Ferry, David S. Shiffman ABSTRACT: Due to an intense level of interest from the media, the public, conservation NGOs, and policymakers, the scientific study of charismatic megafauna is perceived by some researchers as associated
Are depredation rates by reef sharks influenced by fisher behaviour?
Published on 17. December 2014 Are depredation rates by reef sharks influenced by fisher behaviour? Magen Schifiliti, Dianne L McLean, Tim J Langlois, Matthew J Birt, Peter Barnes, Ryan Kempster ABSTRACT: Shark depredation (damage to gear and loss of bait or hooked fish by a non-target species) is a common global occurrence. Depredation events by
Chimaera carophila, a new species of chimaera from New Zealand
Published online on 05. December 2014 Chimaera carophila (Chondrichthyes: Chimaeriformes: Chimaeridae), a new species of chimaera from New Zealand Jenny M Kemper, David A Ebert, Gavin JP Naylor, Dominique Didier ABSTRACT: A new species of chimaeroid, Chimaera carophila sp. nov., is described from 37 specimens collected from deepwater slopes and seamounts around New Zealand. The
Development of microsatellite markers for globally distributed populations of the threatened silky shark
Published on 05. December 2014 Development of microsatellite markers for globally distributed populations of the threatened silky shark, Carcharhinus falciformis J. R. O’Bryhim, J. Spaet, J. R. Hyde, K. L. Jones, D. H. Adams, S. L. Lance ABSTRACT: Eighteen microsatellite loci were developed for the silky shark Carcharhinus falciformis and screened across a total of
Evaluating manta ray mucus as an alternative DNA source for population genetics study
Published on 12. December 2014 Evaluating manta ray mucus as an alternative DNA source for population genetics study: underwater-sampling, dry-storage and PCR success Tom Kashiwagi, Elisabeth A Maxwell, Andrea D Marshall, Ana B Christensen ABSTRACT: Sharks and rays are increasingly being identified as high-risk species for extinction, prompting urgent assessments of their local or regional
Stable isotope analysis of vertebrae reveals ontogenetic changes in habitat in an endothermic pelagic shark
Published on 10. December 2014 Stable isotope analysis of vertebrae reveals ontogenetic changes in habitat in an endothermic pelagic shark Aaron B. Carlisle, Kenneth J. Goldman, Steven Y. Litvin, Daniel J. Madigan, Jennifer S. Bigman, Alan M. Swithenbank, Thomas C. Kline, Barbara A. Block ABSTRACT: Ontogenetic changes in habitat are driven by shifting life-history requirements
The Jaws Effect: How movie narratives are used to influence policy responses to shark bites in Western Australia
Published on 06. December 2014 The Jaws Effect: How movie narratives are used to influence policy responses to shark bites in Western Australia Christopher Neff ABSTRACT: This article examines the way political actors use film narratives to influence policymaking following shark bites. To analyse these relationships I propose the concept of the Jaws Effect, where
The trade in sharks and their products in the United Arab Emirates
Published online on 05. December 2014 The trade in sharks and their products in the United Arab Emirates Rima W. Jabado, Saif M. Al Ghais, Waleed Hamza, Aaron C. Henderson, Julia L.Y. Spaet, Mahmood S. Shivji, Robert H. Hanner ABSTRACT: The rapid growth in the demand for shark products, particularly fins, has led to the
A new metaheuristic algorithm based on shark smell optimization
Published online on 02. December 2014 A new metaheuristic algorithm based on shark smell optimization Oveis Abedinia, Nima Amjady, Ali Ghasemi ABSTRACT: In this article, a new metaheuristic optimization algorithm is introduced. This algorithm is based on the ability of shark, as a superior hunter in the nature, for finding prey, which is taken from
A C-type lectin isolated from the skin of Japanese bullhead shark binds a remarkably broad range of sugars and induces blood coagulation
Published online on 29. November 2014 A C-type lectin isolated from the skin of Japanese bullhead shark (Heterodontus japonicus) binds a remarkably broad range of sugars and induces blood coagulation Shigeyuki Tsutsui, Yuma Dotsuta, Ayaka Ono, Masanari Suzuki, Hiroaki Tateno, Jun Hirabayashi, Osamu Nakamura ABSTRACT: The aim of the present study was to determine the
Does ammonia trigger hyperventilation in the spiny dogfish ?
Published online on 20. November 2014 Does ammonia trigger hyperventilation in the elasmobranch, Squalus acanthias suckleyi ? Gudrun De Boeck, Chris M. Wood ABSTRACT: We examined the ventilatory response of the spiny dogfish, to elevated internal or environmental ammonia. Sharks were injected via arterial catheters with ammonia solutions or their Na salt equivalents sufficient to
Guide: Shark and Ray Handling Practices
Shark and Ray Handling Practices A guide for commercial fishers in southern Australia By the Australian Fisheries Management Authority, 2014 PDF – DOWNLOAD