Scientific Papers

Lack of multiple paternity in the oceanodromous tiger shark

Lack of multiple paternity in the oceanodromous tiger shark

Published on 17. January 2018 Lack of multiple paternity in the oceanodromous tiger shark (Galeocerdo cuvier) Bonnie J. Holmes, Lisa C. Pope, Samuel M. Williams, Ian R. Tibbetts, Mike B. Bennett, Jennifer R. Ovenden ABSTRACT: Multiple paternity has been documented as a reproductive strategy in both viviparous and ovoviviparous elasmobranchs, leading to the assumption that

Development of the Lunate-shaped Caudal Fin in White Shark Embryos

Development of the Lunate-shaped Caudal Fin in White Shark Embryos

Published online on 06. January 2018 Development of the Lunate-shaped Caudal Fin in White Shark Embryos Taketeru Tomita, Minoru Toda, Kei Miyamoto, Shin-Ichiro Oka, Keiichi Ueda, Keiichi Sato ABSTRACT: The lunate-shaped caudal fin in lamnid sharks is a morphological specialization for their thunniform mode of locomotion, but its developmental process during gestation has been poorly

Predator declines and morphological changes in prey

Predator declines and morphological changes in prey

Published on 11. January 2018 Predator declines and morphological changes in prey: evidence from coral reefs depleted of sharks Neil Hammerschlag, Shanta C. Barley, Duncan J. Irschick, Jessica J. Meeuwig, Emily R. Nelson, Mark G. Meekan ABSTRACT: Evidence from the wild as to the ecological and evolutionary consequences of top predator depletions remains limited, especially

Ontogenetic partial migration is associated with environmental drivers and influences fisheries interactions in a marine predator

Ontogenetic partial migration is associated with environmental drivers and influences fisheries interactions in a marine predator

Published on 04. January 2018 Ontogenetic partial migration is associated with environmental drivers and influences fisheries interactions in a marine predator James S E Lea, Bradley M Wetherbee, Lara L Sousa, Choy Aming, Neil Burnie, Nicolas E Humphries, Nuno Queiroz, Guy M Harvey, David W Sims, Mahmood S Shivji ABSTRACT: The ability to predict animal

DNA barcoding reveals the diversity of sharks in Guyana coastal markets

DNA barcoding reveals the diversity of sharks in Guyana coastal markets

Published on 18. December 2017 DNA barcoding reveals the diversity of sharks in Guyana coastal markets Matthew A. Kolmann, Ahmed A. Elbassiouny, Elford A. Liverpool, Nathan R. Lovejoy ABSTRACT: A fundamental challenge for both sustainable fisheries and biodiversity protection in the Neotropics is the accurate determination of species identity. The biodiversity of the coastal sharks

Shark-diving tourism as a financing mechanism

Shark-diving tourism as a financing mechanism

Published on 21. December 2017 Shark-diving tourism as a financing mechanism for shark conservation strategies in Malaysia Gabriel MS Vianna‚Äč, Mark G Meekan, Abbie A Rogers, Marit E Kragt, James M Alin, Johanna S Zimmerhackel ABSTRACT: This study estimated the economic value of the shark-diving industry in Semporna, the most popular diving destination of Malaysia,

An experiment with sharks and beach safety policy options

An experiment with sharks and beach safety policy options

Published on 07. December 2017 Reducing fear to influence policy preferences: An experiment with sharks and beach safety policy options Christopher L. Pepin-Neff, Thomas Wynter ABSTRACT: This article reports on new research that finds certain messages reduce fear of sharks, key to promoting conservation-minded responses to shark bites. Here it is argued that the sophistication

Flaccid skin protects hagfishes from shark bites

Flaccid skin protects hagfishes from shark bites

Published on 13. December 2017 Flaccid skin protects hagfishes from shark bites Sarah Boggett, Jean-Luc Stiles, Adam P. Summers, Douglas S. Fudge ABSTRACT: Hagfishes defend themselves from fish predators by releasing large volumes of gill-clogging slime when they are attacked. Slime release is not anticipatory, but is only released after an attack has been initiated,

Fisheries-independent surveys identify critical habitats for young scalloped hammerhead sharks

Fisheries-independent surveys identify critical habitats for young scalloped hammerhead sharks

Published online on 08. December 2017 Fisheries-independent surveys identify critical habitats for young scalloped hammerhead sharks (Sphyrna lewini) in the Rewa Delta, Fiji Amandine D. Marie, Cara Miller, Celso Cawich, Susanna Piovano, Ciro Rico ABSTRACT: Sharp declines in numerous shark populations around the world have generated considerable interest in better understanding and characterising their biology,

Genetic differentiation of Mediterranean-North Eastern Atlantic blue shark

Genetic differentiation of Mediterranean-North Eastern Atlantic blue shark

Published on 06. December 2017 Genetic differentiation and phylogeography of Mediterranean-North Eastern Atlantic blue shark (Prionace glauca, L. 1758) using mitochondrial DNA: panmixia or complex stock structure? Agostino Leone, Ilenia Urso, Dimitrios Damalas, Jann Martinsohn, Antonella Zanzi , Stefano Mariani, Emilio Sperone, Primo Micarelli, Fulvio Garibaldi, Persefoni Megalofonou, Luca Bargelloni, Rafaella Franch, David Macias, Paulo

Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact

Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact

Published on 04. December 2017 Environmental DNA reveals tropical shark diversity in contrasting levels of anthropogenic impact Judith Bakker, Owen S. Wangensteen, Demian D. Chapman, Germain Boussarie, Dayne Buddo, Tristan L. Guttridge, Heidi Hertler, David Mouillot, Laurent Vigliola, Stefano Mariani ABSTRACT: Sharks are charismatic predators that play a key role in most marine food webs.

Spatial separation without territoriality in shark communities

Spatial separation without territoriality in shark communities

Published on 16. November 2017 Spatial separation without territoriality in shark communities Yannis P. Papastamatiou, Thomas W. Bodey, Alan M. Friedlander, Christopher G. Lowe, Darcy Bradley, Kevin Weng, Victoria Priestley, Jennifer E. Caselle ABSTRACT: Spatial separation within predator communities can arise via territoriality but also from competitive interactions between and within species. However, linking competitive

Global evaluation of shark sanctuaries

Global evaluation of shark sanctuaries

Published online on 10. November 2017 Global evaluation of shark sanctuaries Christine A.Ward-Paige, BorisWorm ABSTRACT: Due to well-documented declines in many shark populations there is increasing pressure to implement new management and rebuilding strategies at the national and international scale. Since 2009, fifteen coastal countries in the Atlantic, Indian and Pacific Oceans have opted to

Physical trade-offs shape the evolution of buoyancy control in sharks

Physical trade-offs shape the evolution of buoyancy control in sharks

Published on 08. November 2017 Physical trade-offs shape the evolution of buoyancy control in sharks Adrian C. Gleiss, Jean Potvin, Jeremy A. Goldbogen ABSTRACT: Buoyancy control is a fundamental aspect of aquatic life that has major implications for locomotor performance and ecological niche. Unlike terrestrial animals, the densities of aquatic animals are similar to the

Stress, post-release mortality, and recovery of discarded deep-sea sharks

Stress, post-release mortality, and recovery of discarded deep-sea sharks

Published on 06. Nomber 2017 Stress, post-release mortality, and recovery of commonly discarded deep-sea sharks caught on longlines Brendan Talwar, Edward J. Brooks, John W. Mandelman, R. Dean Grubbs ABSTRACT: Bycatch interactions with deep-sea elasmobranchs are increasingly common and can lead to dramatic declines in abundance over short time scales. Sharks hooked in the deep