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Long-Term Changes in Species Composition and Relative Abundances of Sharks at a Provisioning Site
Published on 23. January 2014 Long-Term Changes in Species Composition and Relative Abundances of Sharks at a Provisioning Site Juerg M. Brunnschweiler, Kátya G. Abrantes, Adam Barnett ABSTRACT: Diving with sharks, often in combination with food baiting/provisioning, has become an important product of today’s recreational dive industry. Whereas the effects baiting/provisioning has on the behaviour
Extinction risk and conservation of the world’s sharks and rays
Published on 21. January 2014 Extinction risk and conservation of the world’s sharks and rays Dulvy et al. ABSTRACT: The rapid expansion of human activities threatens ocean-wide biodiversity. Numerous marine animal populations have declined, yet it remains unclear whether these trends are symptomatic of a chronic accumulation of global marine extinction risk. We present the
Mitochondrial genome of the bull shark
Published online on 10. January 2014 Mitochondrial genome of the bull shark Carcharhinus leucas (Carcharhiniformes: Carcharhinidae) Xiao Chen, Min Liu, Zaiqing Peng, and Xiaofang Shi ABSTRACT: The bull shark Carcharhinus leucas is a large elasmobranch species widespread in tropical and warm oceans, rivers and lakes. We first determine the complete mitogenome of C. leucas in
The role of fisheries and the environment in driving the decline of elasmobranchs in the northern Adriatic Sea
Published online on 12. January 2014 The role of fisheries and the environment in driving the decline of elasmobranchs in the northern Adriatic Sea Alberto Barausse, Vittoria Correale, Aleksia Curkovic, Licia Finotto, Emilio Riginella, Eleonora Visentin, Carlotta Mazzoldi ABSTRACT: Elasmobranch populations are declining worldwide, calling for urgent assessment of fishery exploitation and application of effective
Human impact on the presence of sharks at diving sites in Egypt
Published in 2013 HUMAN IMPACT ON THE PRESENCE OF SHARKS AT DIVING SITES OF THE SOUTHERN RED SEA, EGYPT Ahmed M. Shawky, Alessandro De Maddalena ABSTRACT: A study of human impact on the presence and behavior of sharks was carried out June to November 2008 at these Red Sea diving sites: Elphinstone Reef, Daedalus Reef,
Elephant shark genome provides unique insights into gnathostome evolution
Published online on 08. January 2014 Elephant shark genome provides unique insights into gnathostome evolution Venkatesh et al. ABSTRACT: The emergence of jawed vertebrates (gnathostomes) from jawless vertebrates was accompanied by major morphological and physiological innovations, such as hinged jaws, paired fins and immunoglobulin-based adaptive immunity. Gnathostomes subsequently diverged into two groups, the cartilaginous fishes
Sizing up the ecological role of sharks as predators
Published on 09. January 2014 Sizing up the ecological role of sharks as predators Michelle R. Heupel, Danielle M. Knip, Colin A. Simpfendorfer, Nicholas K. Dulvy ABSTRACT: The decline of predators in a variety of ecosystems has transformed community structure through mesopredator release and trophic cascades. Elasmobranch fishes, one of the earth’s most ubiquitous and
Northernmost record of a whale shark from the Sea of Okhotsk
Published online on 03. January 2014 Northernmost record of a whale shark Rhincodon typus from the Sea of Okhotsk T. Tomita, T. Kawai, H. Matsubara, M. Kobayashi, S. Katakura ABSTRACT: The whale shark Rhincodon typus is the world’s largest fish and it occurs in tropical, subtropical and warm temperate waters. Here, the northernmost record of
Reef-Fidelity and Migration of Tiger Sharks across the Coral Sea
Published on 08. January 2014 Reef-Fidelity and Migration of Tiger Sharks, Galeocerdo cuvier, across the Coral Sea Jonathan M. Werry, Serge Planes, Michael L. Berumen, Kate A. Lee, Camrin D. Braun, Eric Clua ABSTRACT: Knowledge of the habitat use and migration patterns of large sharks is important for assessing the effectiveness of large predator Marine
Growth and Maximum Size of Tiger Sharks in Hawaii
Published on 08. January 2014 Growth and Maximum Size of Tiger Sharks (Galeocerdo cuvier) in Hawaii Carl G. Meyer, Joseph M. O’Malley, Yannis P. Papastamatiou, Jonathan J. Dale, Melanie R. Hutchinson, James M. Anderson, Mark A. Royer, Kim N. Holland ABSTRACT: Tiger sharks (Galecerdo cuvier) are apex predators characterized by their broad diet, large size
Vertebral Bomb Radiocarbon Suggests Extreme Longevity in White Sharks
Published on 08. January 2014 Vertebral Bomb Radiocarbon Suggests Extreme Longevity in White Sharks Li Ling Hamady, Lisa J. Natanson, Gregory B. Skomal, Simon R. Thorrold ABSTRACT: Conservation and management efforts for white sharks (Carcharodon carcharias) remain hampered by a lack of basic demographic information including age and growth rates. Sharks are typically aged by
Seasonal changes in movements and habitat preferences of the scalloped hammerhead shark
Published in January 2014 Seasonal changes in movements and habitat preferences of the scalloped hammerhead shark (Sphyrna lewini) while refuging near an oceanic island James T. Ketchum, Alex Hearn, A. Peter Klimley, Eduardo Espinoza, César Peñaherrera, John L. Largier ABSTRACT: Movements and habitat preferences of sharks relative to a central location are widely documented for
First case of albinism recorded in striped panray from the coast of Senegal
Published in December 2013 First case of albinism recorded in striped panray Zanobatus schoenleinii (Chondrichthyes: Platyrhinidae) from the coast of Senegal (eastern tropical Atlantic) Y. Diatta, C. Reynaud, C. Capapé ABSTRACT: This paper gives the description of a striped panray Zanobatus schoenleinii (Müller and Henle, 1841) presenting the first case of albinism recorded in this
Quality Determination of Shark Meat Sausage Production
Published online on 31. December 2013 Quality Determination of Experimental Sausage Production from Shark Meat Dilek KAHRAMAN YILMAZ, Nermin BERIK ABSTRACT : In this study, sausage from spiny dog fish (Squalus acanthias) was produced. The purpose of study was to determine sausage made from shark meat was consumable or not. In order to find out
Frequency of multiple paternity varies between two populations of brown smoothhound shark
Published online on 03. January 2014 Frequency of multiple paternity varies between two populations of brown smoothhound shark, Mustelus henlei Chris L. Chabot, Brent M. Haggin ABSTRACT: Multiple paternity was recently observed in a population of the brown smoothhound shark, Mustelus henlei, from Las Barrancas, Baja California Sur, Mexico, with litters demonstrating the greatest percentage