Scientific Papers

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Post-capture survival of whale sharks encircled in tuna purse-seine nets

Post-capture survival of whale sharks encircled in tuna purse-seine nets

Published online on 10. May 2016 Post-capture survival of whale sharks encircled in tuna purse-seine nets: tagging and safe release methods Lauriane Escalle, Hilario Murua, Justin Monin Amande, Igor Arregui, Pierre Chavance, Alicia Delgado de Molina, Daniel Gaertner, Igaratza Fraile, John David Filmalter, Josu Santiago, Fabien Forget, Haritz Arrizabalaga, Laurent Dagorn, Bastien Merigot ABSTRACT: 1.

Devil rays of the Arabian Seas, with a redescription of Mobula kuhlii

Devil rays of the Arabian Seas, with a redescription of Mobula kuhlii

Published online on 02. May 2016 Devil rays (Chondrichthyes: Mobula) of the Arabian Seas, with a redescription of Mobula kuhlii (Valenciennes in Müller and Henle, 1841) Giuseppe Notarbartolo di Sciara, Daniel Fernando, Sylvain Adnet, Henri Cappetta, Rima W. Jabado ABSTRACT: Devil rays (genus Mobula) are pelagic elasmobranchs widely distributed throughout tropical, subtropical and warm-temperate waters.

Elasmobranch captures in the Fijian pelagic longline fishery

Elasmobranch captures in the Fijian pelagic longline fishery

Published online on 02. May 2016 Elasmobranch captures in the Fijian pelagic longline fishery Susanna Piovano and Eric Gilman ABSTRACT: Pelagic longline fisheries for relatively fecund tuna and tuna-like species can have large adverse effects on incidentally caught species with low-fecundity, including elasmobranchs. Analyses of observer programme data from the Fiji longline fishery from 2011

A new species of Neotropical freshwater stingray from the Rio Negro, Amazonas, Brazil

A new species of Neotropical freshwater stingray from the Rio Negro, Amazonas, Brazil

Published on 04. May 2016 A new species of Neotropical freshwater stingray (Chondrichthyes: Potamotrygonidae) from the Rio Negro, Amazonas, Brazil: the smallest species of Potamotrygon Marcelo R. de Carvalho, Ricardo S. Rosa, Maria Lúcia G. de Araújo ABSTRACT: A new species of Potamotrygon is described from the Rio Negro drainage, Amazonas, Brazil. In spite of

Physiological responses to hypersalinity correspond to nursery ground usage in two inshore shark species

Physiological responses to hypersalinity correspond to nursery ground usage in two inshore shark species

Published online on 09. May 2016 Physiological responses to hypersalinity correspond to nursery ground usage in two inshore shark species (Mustelus antarcticus & Galeorhinus galeus) Louise Tunnah, Sara R. C. Mackellar, David A. Barnett, Tyson J. Maccormack, Kilian M. Stehfest, Andrea J. Morash, Jayson M. Semmens, Suzanne Currie ABSTRACT: Shark nurseries are susceptible to environmental

Largest global shark biomass found in the northern Galápagos Islands

Largest global shark biomass found in the northern Galápagos Islands

Published on 10. May 2016 Largest global shark biomass found in the northern Galápagos Islands of Darwin and Wolf Pelayo Salinas de León, David Acuña-Marrero, Etienne Rastoin, Alan M. Friedlander, Mary K. Donovan, Enric Sala ABSTRACT: Overfishing has dramatically depleted sharks and other large predatory fishes worldwide except for a few remote and/or well-protected areas.

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 (MCEs;

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 resource

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 the

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 of

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 identity

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 environment

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 fishing

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 specimens

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, rays,

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