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Social Network Analysis Reveals Potential Fission-Fusion Behavior in a Shark
Published online on 30 September 2016 Social Network Analysis Reveals Potential Fission-Fusion Behavior in a Shark Danielle E. Haulsee, Dewayne A. Fox, Matthew W. Breece, Lori M. Brown, Jeff Kneebone, Gregory B. Skomal, Matthew J. Oliver ABSTRACT: Complex social networks and behaviors are difficult to observe for free-living marine species, especially those that move great
Sharks caught in the KwaZulu-Natal bather protection programme: The tiger shark
Published online on 16. September 2016 Sharks caught in the KwaZulu-Natal bather protection programme, South Africa. 13. The tiger shark Galeocerdo cuvier ML Dicken, G Cliff, H Winker ABSTRACT: The current study provides long-term catch rate and biological data for tiger sharks Galeocerdo cuvier caught in the KwaZulu-Natal bather protection programme. Between 1978 and 2014,
Etmopterus alphus n. sp.: a new lanternshark from the south-western Indian Ocean.
Published on 16. September 2016 Etmopterus alphus n. sp.: a new lanternshark (Squaliformes: Etmopteridae) from the south-western Indian Ocean. Ebert, D.A., Straube, N., Leslie, R.W. & Weigmann, S. ABSTRACT: A new species of lanternshark, Etmopterus alphus (Squaliformes: Etmopteridae), is described from the south-western Indian Ocean. The new species resembles other members of the ‘Etmopterus lucifer’
Comparative age and growth of the Aleutian skate, Bathyraja aleutica, from the eastern Bering Sea and Gulf of Alaska
Published on 09. September 2016 Comparative age and growth of the Aleutian skate, Bathyraja aleutica, from the eastern Bering Sea and Gulf of Alaska Diane L. Haas, David A. Ebert, Gregor M. Cailliet ABSTRACT: The Aleutian skate (Bathyraja aleutica) is a large deep-water species that commonly occurs in bycatch of Alaskan trawl and longline fisheries.
Spatial ecology of blue shark and shortfin mako in southern Peru
Published on 05. September 2016 Spatial ecology of blue shark and shortfin mako in southern Peru: local abundance, habitat preferences and implications for conservation Grant D. Adams, Daniel Flores, Oscar Galindo Flores, Kim Aarestrup, Jon C. Svendsen ABSTRACT: While global declines of pelagic shark populations have been recognized for several years, conservation efforts remain hampered
The spatial segregation patterns of sharks from Western Australia
Published on 17. August 2016 The spatial segregation patterns of sharks from Western Australia Matias Braccini, Stephen Taylor ABSTRACT: The extent to which sharks segregate by size and sex determines the population structure and the scale at which populations should be managed. We summarized 20 years of fisheries-dependent and independent sampling to define the spatial
Cyanobacterial Neurotoxin BMAA and Mercury in Sharks
Published on 16. August 2016 Cyanobacterial Neurotoxin BMAA and Mercury in Sharks Neil Hammerschlag, David A. Davis, Kiyo Mondo, Matthew S. Seely, Susan J. Murch, William Broc Glover, Timothy Divoll, David C. Evers, Deborah C. Mash ABSTRACT: Sharks have greater risk for bioaccumulation of marine toxins and mercury (Hg), because they are long-lived predators. Shark
Estimates of life history parameters of the oceanic whitetip shark in the Western North Pacific Ocean
Published online on 10. August 2016 Estimates of life history parameters of the oceanic whitetip shark, Carcharhinus longimanus, in the Western North Pacific Ocean Shoou-Jeng Joung, Nien-Fu Chen, Hua-Hsun Hsu & Kwang-Ming Liu ABSTRACT: The age, growth and reproduction of the oceanic whitetip shark, Carcharhinus longimanus, in the western North Pacific Ocean were estimated based
Exploring nursery sites for oviparous chondrichthyans in the Southwest Atlantic
Published on 10. August 2016 Exploring nursery sites for oviparous chondrichthyans in the Southwest Atlantic (36°S–41°S) Diego M. Vazquez, Ezequiel Mabragaña, Valeria Gabbanelli, Juan M. Díaz de Astarloa ABSTRACT: The aim of this paper was to explore egg-laying areas of oviparous chondrichthyans occurring in the northern part of the Southwest Atlantic Ocean (36°S–41°S) at between
Modelling tooth–prey interactions in sharks
Published on 10. August 2016 Modelling tooth–prey interactions in sharks: the importance of dynamic testing Katherine A. Corn, Stacy C. Farina, Jeffrey Brash, Adam P. Summers ABSTRACT: The shape of shark teeth varies among species, but traditional testing protocols have revealed no predictive relationship between shark tooth morphology and performance. We developed a dynamic testing
Translocal celebrity activism: shark-protection campaigns in mainland China
Published online on 29. July 2016 Translocal celebrity activism: shark-protection campaigns in mainland China Elaine Jeffreys ABSTRACT: Shanghai-born Yao Ming, a retired star player with the American National Basketball Association, is the celebrity face of translocal conservation campaigns to stop the consumption of shark-fin soup in Chinese restaurants worldwide. The standard justification for such communication
Eye lens radiocarbon reveals centuries of longevity in the Greenland shark
Published on 12. August 2016 Eye lens radiocarbon reveals centuries of longevity in the Greenland shark (Somniosus microcephalus) Julius Nielsen, Rasmus B. Hedeholm, Jan Heinemeier, Peter G. Bushnell, Jørgen S. Christiansen, Jesper Olsen, Christopher Bronk Ramsey, Richard W. Brill, Malene Simon, Kirstine F. Steffensen, John F. Steffensen ABSTRACT: The Greenland shark (Somniosus microcephalus), an iconic
Behavioral evidence suggests facultative scavenging by a marine apex predator during a food pulse
Published on 08. August 2016 Behavioral evidence suggests facultative scavenging by a marine apex predator during a food pulse Neil Hammerschlag, Ian Bell, Richard Fitzpatrick, Austin J. Gallagher, Lucy A. Hawkes, Mark G. Meekan, John D. Stevens, Michele Thums, Matthew J. Witt ABSTRACT: The ability of predators to switch between hunting and scavenging (facultative scavenging)
First record of spine malformation of the round stingray off Baja California Sur, México
Published on 01. August 2016 First record of spine malformation of the round stingray Urobatis halleri off the Western Coast of Baja California Sur, México M. R. Ochoa-Díaz, J. Rodriguez-Romero, J. López-Martínez, M. C. Maldonado-García ABSTRACT: Background Malformations of the Round stingray Urobatis hallerii, Cooper 1863 captured off the southwestern coast of Baja California Sur,
Observations of newborn blue sharks in shallow inshore waters of the north-east Atlantic Ocean
Published on 27. July 2016 Observations of newborn blue sharks Prionace glauca in shallow inshore waters of the north-east Atlantic Ocean R. Bañón, T. Maño, G. Mucientes ABSTRACT: The anomalous presence of numerous blue shark Prionace glauca neonates and juveniles in shallow inshore waters of Galicia, north-west Spain, during the summers of 2014 and 2015