Scientific Papers

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Comparative Use of a Caribbean Mesophotic Coral Ecosystem by Three Species of Shark

Comparative Use of a Caribbean Mesophotic Coral Ecosystem by Three Species of Shark

Published on 04. May 2016 Comparative Use of a Caribbean Mesophotic Coral Ecosystem and Association with Fish Spawning Aggregations by Three Species of Shark Alexandria E. Pickard, Jeremy J. Vaudo, Bradley M. Wetherbee, Richard S. Nemeth, Jeremiah B. Blondeau, Elizabeth A. Kadison, Mahmood S. Shivji ABSTRACT: Understanding of species interactions within mesophotic coral ecosystems...

Integrating social network analysis and fine-scale positioning to characterize the associations of a benthic shark

Integrating social network analysis and fine-scale positioning to characterize the associations of a benthic shark

Published online on 18. April 2016 Integrating social network analysis and fine-scale positioning to characterize the associations of a benthic shark N.C. Armansin, K.A. Lee, C. Huveneers, R.G. Harcourt ABSTRACT: Many shark species form groups; yet the drivers of this behaviour are not well understood. Aggregations have been presumed to be a function of...

Are critically endangered fish back on the menu? Analysis of U.K. fisheries data suggest post-ban landings of prohibited skates in European waters

Are critically endangered fish back on the menu? Analysis of U.K. fisheries data suggest post-ban landings of prohibited skates in European waters

Published online on 06. April 2016 Are critically endangered fish back on the menu? Analysis of U.K. fisheries data suggest post-ban landings of prohibited skates in European waters Samantha J. Simpson, David W. Sims ABSTRACT: Skates (Rajidae) have been commercially exploited in Europe for hundreds of years with some species’ abundances declining dramatically during...

Diet comparison between silky sharks and scalloped hammerhead sharks off the south-west coast of Mexico

Diet comparison between silky sharks and scalloped hammerhead sharks off the south-west coast of Mexico

Published on 11. April 2016 Diet comparison between silky sharks (Carcharhinus falciformis) and scalloped hammerhead sharks (Sphyrna lewini) off the south-west coast of Mexico Isaac Antonio Flores-Martínez, Yassir Edén Torres-Rojas, Felipe Galván-Magaña, Julia Ramos-Miranda ABSTRACT: Ecologists examine diet composition in order to assess the spatial and temporal variations in interactions between species, the impact...

Identifying the “demon whale-biter”: Patterns of scarring on large whales attributed to a cookie-cutter shark

Identifying the “demon whale-biter”: Patterns of scarring on large whales attributed to a cookie-cutter shark

Published on 07. April 2016 Identifying the “demon whale-biter”: Patterns of scarring on large whales attributed to a cookie-cutter shark Isistius sp Peter B. Best, Theoni Photopoulou ABSTRACT: The presence of crater-like wounds on cetaceans and other large marine vertebrates and invertebrates has been attributed to various organisms. We review the evidence for the...

Distribution of skates and sharks in the North Sea: 112 years of change

Distribution of skates and sharks in the North Sea: 112 years of change

Published online on 15. April 2016 Distribution of skates and sharks in the North Sea: 112 years of change Camilla Sguotti, Christopher P. Lynam, Bernardo García-Carreras, Jim R. Ellis, Georg H. Engelhard ABSTRACT: How have North Sea skate and shark assemblages changed since the early 20th century when bottom trawling became widespread, while their...

Higher Abundance of Marine Predators and Changes in Fishers’ Behavior Following Spatial Protection within the World’s Biggest Shark Fishery

Higher Abundance of Marine Predators and Changes in Fishers’ Behavior Following Spatial Protection within the World’s Biggest Shark Fishery

Published on 07. April 2016 Higher Abundance of Marine Predators and Changes in Fishers’ Behavior Following Spatial Protection within the World’s Biggest Shark Fishery Vanessa F. Jaiteh, Steve J. Lindfield, Sangeeta Mangubhai, Carol Warren, Ben Fitzpatrick, Neil R. Loneragan ABSTRACT: Fisheries are complex social-ecological systems, where managers struggle to balance the socio-economic interests of...

Notoraja martinezi sp. nov., a new species of deepwater skate and the first record of the genus Notoraja

Notoraja martinezi sp. nov., a new species of deepwater skate and the first record of the genus Notoraja

Published on 05. April 2016 Notoraja martinezi sp. nov., a new species of deepwater skate and the first record of the genus Notoraja Ishiyama, 1958 (Rajiformes: Arhynchobatidae) from the eastern Pacific Ocean Francisco J. Concha, David A. Ebert, Douglas J. Long ABSTRACT: A new arhynchobatid skate, Notoraja martinezi, sp. nov., is described from four...

Comparison of the Morphology and Histomorphometry of Spermatogenic Cyst of Three Sharks Species

Comparison of the Morphology and Histomorphometry of Spermatogenic Cyst of Three Sharks Species

Published online on 04. April 2016 Comparison of the Morphology and Histomorphometry of Spermatogenic Cyst of Three Sharks Species With Diametric Testes Mariana Gomes do Rêgo, John L. Fitzpatrick, Fabio Hissa V. Hazin, Maria Lucia. G. Araujo, Maria Edna Gomes Barros, Joaquim Evêncio Neto ABSTRACT: Characterization of the reproductive anatomy of elasmobranchs (sharks, skates,...

Effects of Including Misidentified Sharks in Life History Analyses

Effects of Including Misidentified Sharks in Life History Analyses

Published on 08. April 2016 Effects of Including Misidentified Sharks in Life History Analyses: A Case Study on the Grey Reef Shark Carcharhinus amblyrhynchos from Papua New Guinea Jonathan J. Smart , Andrew Chin, Leontine Baje, Madeline E. Green, Sharon A. Appleyard, Andrew J. Tobin, Colin A. Simpfendorfer, William T. White ABSTRACT: Fisheries observer...

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