Scientific Papers

A new elusive otodontid shark from the lower Miocene

A new elusive otodontid shark from the lower Miocene

Published online on 03 October 2016 A new elusive otodontid shark (Lamniformes: Otodontidae) from the lower Miocene, and comments on the taxonomy of otodontid genera, including the ‘megatoothed’ clade Kenshu Shimada, Richard E. Chandler, Otto Lok Tao Lam, Takeshi Tanaka & David J. Ward ABSTRACT: We describe a new large otodontid lamniform shark, Megalolamna paradoxodon

Complete mitochondrial genome of the porbeagle shark

Complete mitochondrial genome of the porbeagle shark

Published online on 03 October 2016 Complete mitochondrial genome of the porbeagle shark, Lamna nasus (Chondrichthyes, Lamnidae) Píndaro Díaz-Jaimes, Manuel Uribe-Alcocer, Douglas H. Adams, Jose Miguel Rangel-Morales & Natalia J. Bayona-Vásquez ABSTRACT: We report for the first time, the complete mitochondrial genome sequence of the porbeagle shark, Lamna nasus, from a specimen collected from offshore

Social Network Analysis Reveals Potential Fission-Fusion Behavior in a Shark

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

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.

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

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

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

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

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

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

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

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

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

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

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)