Scientific Papers

Page 20 of 73« First...10...1819202122...304050...Last »

Molecular mechanisms underlying the exceptional adaptations of batoid fins

Molecular mechanisms underlying the exceptional adaptations of batoid fins

Published online before print on 07. December 2015 Molecular mechanisms underlying the exceptional adaptations of batoid fins Tetsuya Nakamura, Jeff Klomp, Joyce Pieretti, Igor Schneider, Andrew R. Gehrke, Neil H. Shubin ABSTRACT: Extreme novelties in the shape and size of paired fins are exemplified by extinct and extant cartilaginous and bony fishes. Pectoral fins of

Discards, hooking, and post-release mortality of porbeagle, shortfin mako and blue shark in the Canadian longline fishery

Discards, hooking, and post-release mortality of porbeagle, shortfin mako and blue shark in the Canadian longline fishery

Published online on 08. December 2015 Discards, hooking, and post-release mortality of porbeagle (Lamna nasus), shortfin mako (Isurus oxyrinchus), and blue shark (Prionace glauca) in the Canadian pelagic longline fishery Steven E. Campana, Warren Joyce, Mark Fowler, Mark Showell ABSTRACT: Global discards of sharks greatly exceed reported landings, yet there are few estimates of mortality

Trends in the exploitation of South Atlantic shark populations

Trends in the exploitation of South Atlantic shark populations

Published online on 04. December 2015 Trends in the exploitation of South Atlantic shark populations Rodrigo Barreto, Francesco Ferretti, Joanna Mills, Alberto Amorim, Humber Andrade, Boris Worm, Rosangela Lessa ABSTRACT: Approximately 25% of globally reported shark catches occur in Atlantic pelagic longline fisheries. Strong declines in shark populations have been detected in the North Atlantic

Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura)

Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura)

Published on 07. December 2015 Stable isotope study of a new chondrichthyan fauna (Kimmeridgian, Porrentruy, Swiss Jura): an unusual freshwater-influenced isotopic composition for the hybodont shark Asteracanthus L. Leuzinger, L. Kocsis, J.-P. Billon-Bruyat, S. Spezzaferri, T. Vennemann ABSTRACT: Chondrichthyan teeth (sharks, rays, and chimaeras) are mineralized in isotopic equilibrium with the surrounding water, and parameters

Sex-specific and individual preferences for hunting strategies in white sharks

Sex-specific and individual preferences for hunting strategies in white sharks

Published online on 28. November 2015 Sex-specific and individual preferences for hunting strategies in white sharks Alison V Towner, Vianey Leos-Barajas, Roland Langrock, Robert S. Schick, Malcolm J Smale, Tami Kaschke, Oliver J. D. Jewell, Yannis P. Papastamatiou SUMMARY: Fine-scale predator movements may be driven by many factors including sex, habitat, and distribution of resources.

On the attribution of authorship for several elasmobranch species in Müller and Henle’s Systematische Beschreibung der Plagiostomen

On the attribution of authorship for several elasmobranch species in Müller and Henle’s Systematische Beschreibung der Plagiostomen

Published on 07. December 2015 On the attribution of authorship for several elasmobranch species in Müller and Henle’s Systematische Beschreibung der Plagiostomen (Chondrichthyes, Elasmobranchii) Christian M. Jones, William B. Driggers III, José I. Castro, Marcelo R. De Carvalho INTRODUCTION: Even in light of the recent peak in new species descriptions of elasmobranchs (summarized in White

Ray bycatch in a tropical shrimp fishery

Ray bycatch in a tropical shrimp fishery

Published online on 28. November 2015 Ray bycatch in a tropical shrimp fishery: Do Bycatch Reduction Devices and Turtle Excluder Devices effectively exclude rays ? Tomas Willems, Jochen Depestele, Annelies De Backer, Kris Hostens ABSTRACT: Worldwide, many species of elasmobranchs (Chondrichthyes: Elasmobranchii) are currently threatened by marine fisheries activity and are on the Red List

Characteristics of the shark fisheries of Fiji

Characteristics of the shark fisheries of Fiji

Published on 02. December 2015 Characteristics of the shark fisheries of Fiji Kerstin B. J. Glaus, Irene Adrian-Kalchhauser, Patricia Burkhardt-Holm, William T. White, Juerg M. Brunnschweiler ABSTRACT: Limited information is available on artisanal and subsistence shark fisheries across the Pacific. The aim of this study was to investigate Fiji’s inshore fisheries which catch sharks. In

Determining the Role of Hand Feeding Practices in Accidental Shark Bites on Scuba Divers

Determining the Role of Hand Feeding Practices in Accidental Shark Bites on Scuba Divers

Published online on 26. November 2015 Determining the Role of Hand Feeding Practices in Accidental Shark Bites on Scuba Divers Clua EE and Torrente F ABSTRACT: Introduction: Shark-based ecotourism is significantly developing around the world, often without appropriate management of risk. This activity involves a risk of accidental bites on divers that can be quite

Code of conduct compliance and behaviour of whale sharks in Oslob

Code of conduct compliance and behaviour of whale sharks in Oslob

Published on 26. November 2015 Learning from a provisioning site: code of conduct compliance and behaviour of whale sharks in Oslob, Cebu, Philippines Anna Schleimer, Gonzalo Araujo, Luke Penketh, Anna Heath, Emer McCoy, Jessica Labaja, Anna Lucey, Alessandro Ponzo ABSTRACT: While shark-based tourism is a rapidly growing global industry, there is ongoing controversy about the

Risk perceptions and conservation ethics among recreational anglers

Risk perceptions and conservation ethics among recreational anglers

Published online on 25. November 2015 Risk perceptions and conservation ethics among recreational anglers targeting threatened sharks in the subtropical Atlantic Austin J. Gallagher, Steven J. Cooke, Neil Hammerschlag ABSTRACT: Recreational fisheries management has traditionally been more concerned with quantifiable, catch-centric goals than angler-centric perceptions. However, the attitudes of fishers affect their behavior, which can

Distribution and comments on the morphology of Centroscymnus owstonii with focus on the Indian Ocean

Distribution and comments on the morphology of Centroscymnus owstonii with focus on the Indian Ocean

Published online on 19. November 2015 Distribution and comments on the morphology of Centroscymnus owstonii Garman, 1906 (Squaliformes: Somniosidae), with focus on its occurrence in the Indian Ocean Simon Weigmann, Diego F. B. Vaz, William T. White, Marcelo R. de Carvalho, Ralf Thiel ABSTRACT: The Roughskin Dogfish Centroscymnus owstonii is one of the most widespread

Husbandry of Tropical Benthonic Sharks

Husbandry of Tropical Benthonic Sharks

Published on 18. November 2015 Husbandry of Tropical Benthonic Sharks: First Step to Develop Breeding Controlled Protocols with Conservation Purpose Delia Ventura ABSTRACT: In the IUCN Red List, Chiloscyllium punctatum, Chiloscyllium griseum and Atelomycterus marmoratus are classified as “Near Threatened” species . Information’s on their biology are strongly lacking and bad human behaviour, associated to

Estimating Finite Rate of Population Increase for Sharks Based on Vital Parameters

Estimating Finite Rate of Population Increase for Sharks Based on Vital Parameters

Published on 17. November 2015 Estimating Finite Rate of Population Increase for Sharks Based on Vital Parameters Kwang-Ming Liu ,Chien-Pang Chin, Chun-Hui Chen, Jui-Han Chang ABSTRACT: The vital parameter data for 62 stocks, covering 38 species, collected from the literature, including parameters of age, growth, and reproduction, were log-transformed and analyzed using multivariate analyses. Three

First record of bigeye thresher shark and new record of thresher shark from Argentina

First record of bigeye thresher shark and new record of thresher shark from Argentina

Published online on 07. November 2015 First record of bigeye thresher shark (Alopias supercillosus Lowe, 1841) and new record of thresher shark (Alopias vulpinus Bonnaterre, 1788) (Chondrichthyes, Alopiidae) from Argentina J. M. Cuevas, M. García ABSTRACT: No abstract is available for this article. Journal of Applied Ichthyology. Early View Version. doi: 10.1111/jai.12945 SOURCE  

Page 20 of 73« First...10...1819202122...304050...Last »