Scientific Papers

Preservation Effects on Stable Isotope Values of Archived Elasmobranch Fin Tissue

Preservation Effects on Stable Isotope Values of Archived Elasmobranch Fin Tissue

Published online on 21. October 2014 Preservation Effects on Stable Isotope Values of Archived Elasmobranch Fin Tissue: Comparisons between Frozen and Ethanol-Stored Samples Jill A. Olin, Gregg R. Poulakis, Philip W. Stevens, Jacquelyn A. DeAngelo, Aaron T. Fisk ABSTRACT: Elasmobranch fin tissue has been sampled and archived for decades to support genetics research. However, these

Distribution and community structure of coastal sharks in the northeastern Gulf of Mexico

Distribution and community structure of coastal sharks in the northeastern Gulf of Mexico

Published online on 29. October 2014 Distribution and community structure of coastal sharks in the northeastern Gulf of Mexico Dana M. Bethea, Matthew J. Ajemian, John K. Carlson, Eric R. Hoffmayer, Johanna L. Imhoff, R. Dean Grubbs, Cheston T. Peterson, George H. Burgess ABSTRACT: Coastal shark abundance and community structure was quantified across 10 geographic

Predation of pop-up satellite archival tagged albacore

Predation of pop-up satellite archival tagged albacore

Published online on 25. October 2014 Predation of pop-up satellite archival tagged albacore (Thunnus alalunga) Ronan Cosgrove, Igor Arregui, Haritz Arrizabalaga, Nicolas Goni, John D. Neilson ABSTRACT: Three out of eight albacore (Thunnus alalunga) tagged with pop-up satellite archival tags (PSATs) in the greater Bay of Biscay area of the North East Atlantic were predated

Shark diversity in the Arabian/Persian Gulf higher than previously thought

Shark diversity in the Arabian/Persian Gulf higher than previously thought

Published online on 28. October 2014 Shark diversity in the Arabian/Persian Gulf higher than previously thought: insights based on species composition of shark landings in the United Arab Emirates Rima W. Jabado, Saif M. Al Ghais, Waleed Hamza, Mahmood S. Shivji, Aaron C. Henderson ABSTRACT: Although fish fauna in the Arabian/Persian Gulf have been studied

Shark Cognition and a Human Mediated Driver of a Spate of Shark Attacks

Shark Cognition and a Human Mediated Driver of a Spate of Shark Attacks

Published in October 2014 Shark Cognition and a Human Mediated Driver of a Spate of Shark Attacks Marie Levine, Ralph S. Collier, Erich Ritter, Moustafa Fouda, Vincent Canabal ABSTRACT: Five unprovoked shark attacks are reported from Sharm-El-Sheikh, Egypt, between 30 November and 5 December 2010. Three of the five attacks are attributed to an oceanic

The role of refugia in reducing predation risk for Cape fur seals by white sharks

The role of refugia in reducing predation risk for Cape fur seals by white sharks

Published on 16. October 2014 The role of refugia in reducing predation risk for Cape fur seals by white sharks Michelle Wcisel, M. Justin O’Riain, Alta de Vos, Wilfred Chivell ABSTRACT: Refugia play an important role in shaping predator/prey interactions; however, few studies have investigated predator–prey relationships between large marine vertebrates, mainly due to the

Genetic Diversity and Population Structure of the Pelagic Thresher Shark in the Pacific Ocean

Genetic Diversity and Population Structure of the Pelagic Thresher Shark in the Pacific Ocean

Published on 22. October 2014 Genetic Diversity and Population Structure of the Pelagic Thresher Shark (Alopias pelagicus) in the Pacific Ocean: Evidence for Two Evolutionarily Significant Units Diego Cardeñosa, John Hyde, Susana Caballero ABSTRACT: There has been an increasing concern about shark overexploitation in the last decade, especially for open ocean shark species, where there

When Did Carcharocles megalodon Become Extinct? A New Analysis of the Fossil Record

When Did Carcharocles megalodon Become Extinct? A New Analysis of the Fossil Record

Published on 22. October 2014 When Did Carcharocles megalodon Become Extinct ? A New Analysis of the Fossil Record Catalina Pimiento, Christopher F. Clements ABSTRACT: Carcharocles megalodon (“Megalodon”) is the largest shark that ever lived. Based on its distribution, dental morphology, and associated fauna, it has been suggested that this species was a cosmopolitan apex

Redescription of Scymnodon ichiharai from the western North Pacific, with comments on the definition of somniosid genera

Redescription of Scymnodon ichiharai from the western North Pacific, with comments on the definition of somniosid genera

Published on 15. October 2014 Redescription of Scymnodon ichiharai Yano and Tanaka 1984 (Squaliformes: Somniosidae) from the western North Pacific, with comments on the definition of somniosid genera William T. White, Diego F. B. Vaz, Hsuan-Ching Ho, David A. Ebert, Marcelo R. de Carvalho, Shannon Corrigan, Elisabeth Rochel, Murilo de Carvalho, Sho Tanaka, Gavin J.

Spatial Segregation in Eastern North Pacific Skate Assemblages

Spatial Segregation in Eastern North Pacific Skate Assemblages

Published on 20. October 2014 Spatial Segregation in Eastern North Pacific Skate Assemblages Joseph J. Bizzarro, Kristin M. Broms, Miles G. Logsdon, David A. Ebert, Mary M. Yoklavich, Linda A. Kuhnz, Adam P. Summers ABSTRACT: Skates (Rajiformes: Rajoidei) are common mesopredators in marine benthic communities. The spatial associations of individual species and the structure of

Onset of Buccal Pumping in Catshark Embryos

Onset of Buccal Pumping in Catshark Embryos

Published on 20. October 2014 Onset of Buccal Pumping in Catshark Embryos: How Breathing Develops in the Egg Capsule Taketeru Tomita, Masaru Nakamura, Keiichi Sato, Hiroko Takaoka, Minoru Toda, Junro Kawauchi, Kazuhiro Nakaya ABSTRACT: Respiration in fishes involves buccal pumping, which is characterized by the generation of nearly continuous water flow over the gills because

A product of its environment: the epaulette shark exhibits physiological tolerance to elevated environmental CO2

A product of its environment: the epaulette shark exhibits physiological tolerance to elevated environmental CO2

Accepted on 14. September 2014 A product of its environment: the epaulette shark (Hemiscyllium ocellatum) exhibits physiological tolerance to elevated environmental CO2 Dennis D. U. Heinrich, Jodie L. Rummer, Andrea J. Morash, Sue-Ann Watson, Colin A. Simpfendorfer, Michelle R. Heupel, Philip L. Munday ABSTRACT: Ocean acidification, resulting from increasing anthropogenic CO2 emissions, is predicted to

Evidence of Pacific sleeper shark predation on Steller sea lions in the Gulf of Alaska

Evidence of Pacific sleeper shark predation on Steller sea lions in the Gulf of Alaska

Manuscript accepted on 21. August 2014 In cold blood: evidence of Pacific sleeper shark (Somniosus pacificus) predation on Steller sea lions (Eumetopias jubatus) in the Gulf of Alaska Markus Horning, Jo-Ann E. Mellish ABSTRACT: Temperature data received post mortem in 2008–13 from 15 of 36 juvenile Steller sea lions (Eumetopias jubatus) that had been surgically

Notes on female reproductive biology and embryos of the brown guitarfish from Taiwan

Notes on female reproductive biology and embryos of the brown guitarfish from Taiwan

Published online on 10. October 2014 Notes on female reproductive biology and embryos of the brown guitarfish Rhinobatos schlegelii from the Penghu Islands, Taiwan Vera Schluessel, Jenny Giles, Peter M. Kyne ABSTRACT: Litter size and details of the reproductive biology of female brown guitarfish Rhinobatos schlegelii from the Penghu Islands, Taiwan, are provided for the

Residency Patterns and Migration Dynamics of Adult Bull Sharks in Southern Africa

Residency Patterns and Migration Dynamics of Adult Bull Sharks in Southern Africa

Published online on 08. October 2014 Residency Patterns and Migration Dynamics of Adult Bull Sharks (Carcharhinus leucas) on the East Coast of Southern Africa Ryan Daly, Malcolm J. Smale, Paul D. Cowley, Pierre W. Froneman ABSTRACT: Bull sharks (Carcharhinus leucas) are globally distributed top predators that play an important ecological role within coastal marine communities.