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Ocean-wide tracking of pelagic sharks reveals extent of overlap with longline fishing hotspots
Published online on 25. January 2016 Ocean-wide tracking of pelagic sharks reveals extent of overlap with longline fishing hotspots Nuno Queiroz, Nicolas E. Humphries, Gonzalo Mucientes, Neil Hammerschlag, Fernando P. Lima, Kylie L. Scales, Peter I. Miller, Lara L. Sousa, Rui Seabra, David W. Sims ABSTRACT: Overfishing is arguably the greatest ecological threat facing the
The effects of temperature and swimming speed on the metabolic rate of the nurse shark
Published online on 18. January 2016 The effects of temperature and swimming speed on the metabolic rate of the nurse shark (Ginglymostoma cirratum, Bonaterre) Nicholas M. Whitney, Karissa O. Lear, Lindsay C. Gaskins, Adrian C. Gleiss ABSTRACT: Sharks and other top predators have a substantial impact on their ecosystems through trophically mediated effects, and understanding
The Species and Origin of Shark Fins in Taiwan’s Fishing Ports
Published on 22. January 2016 The Species and Origin of Shark Fins in Taiwan’s Fishing Ports, Markets, and Customs Detention: A DNA Barcoding Analysis Po-Shun Chuang, Tzu-Chiao Hung, Hung-An Chang, Chien-Kang Huang, Jen-Chieh Shiao ABSTRACT: The increasing consumption of shark products, along with the shark’s fishing vulnerabilities, has led to the decrease in certain shark
Taxonomic review of catsharks (Scyliorhinus haeckelii group), with the description of a new species
19. January 2016 Taxonomic review of catsharks of the Scyliorhinus haeckelii group, with the description of a new species (Chondrichthyes: Carcharhiniformes: Scyliorhinidae) Karla D. A. Soares, Ulisses L. Gomes, Marcelo R. de Carvalho ABSTRACT: Sharks of the genus Scyliorhinus from the southwestern Atlantic are reviewed; identification problems and taxonomic misinformation given in the literature are
Fisheries conservation on the high seas
Published online on 13. January 2016 Fisheries conservation on the high seas: linking conservation physiology and fisheries ecology for the management of large pelagic fishes Andrij Z. Horodysky, Steven J. Cooke, John E. Graves, Richard W. Brill ABSTRACT: Populations of tunas, billfishes and pelagic sharks are fished at or over capacity in many regions of
First record of second-generation facultative parthenogenesis in a vertebrate species, the whitespotted bambooshark
Published online on 03. January 2016 First record of second-generation facultative parthenogenesis in a vertebrate species, the whitespotted bambooshark Chiloscyllium plagiosum N. Straube, K. P. Lampert, M. F. Geiger, J. D. Weiß, J. X. Kirchhauser ABSTRACT: In this study, two parthenogenetic events within a family of the whitespotted bambooshark Chiloscyllium plagiosum are reported. A captive
Olfaction Contributes to Pelagic Navigation in a Coastal Shark
Published on 06. January 2016 Olfaction Contributes to Pelagic Navigation in a Coastal Shark Andrew P. Nosal, Yi Chao, John D. Farrara, Fei Chai, Philip A. Hastings ABSTRACT: How animals navigate the constantly moving and visually uniform pelagic realm, often along straight paths between distant sites, is an enduring mystery. The mechanisms enabling pelagic navigation
Benefits of marine protected areas for tropical coastal sharks
Published online on 29. December 2015 Benefits of marine protected areas for tropical coastal sharks Peter M. Yates, Andrew J. Tobin, Michelle R. Heupel, Colin A. Simpfendorfer ABSTRACT: Coastal sharks face increasing pressure from anthropogenic impacts and environmental change. Estimated population declines in some species have created uncertainty about the effectiveness of existing management approaches.
Recreational saltwater angler behaviours and attitudes regarding shark encounters and conservation
Published online on 21 December 2015 Catching sharks: recreational saltwater angler behaviours and attitudes regarding shark encounters and conservation Kate Mcclellan Press, John Mandelman, Elizabeth Burgess, Steven J. Cooke, Vivian M. Nguyen, Andy J. Danylchuk ABSTRACT: With the increasing popularity of recreational angling around the world, there is a need to better understand the potential
First records of the leopard electric ray in the Ecuadorian Pacific
Published in December 2015 First records of the leopard electric ray Narcine leoparda (Torpediniformes: Narcinidae) in the Ecuadorian Pacific Colombo Estupiñan-Montaño, Felipe Galván-Magaña ABSTRACT: The aim of this study was to report the presence of the leopard electric ray Narcine leoparda in Ecuadorian waters; to date, this is the southernmost report of this species in
Tooth and scale morphogenesis in shark
Published on 24. December 2015 Tooth and scale morphogenesis in shark: an alternative process to the mammalian enamel knot system Mélanie Debiais-Thibaud, Roxane Chiori, Sébastien Enault, Silvan Oulion, Isabelle Germon, Camille Martinand-Mari, Didier Casane, Véronique Borday-Birraux ABSTRACT: Background The gene regulatory network involved in tooth morphogenesis has been extremely well described in mammals and its
Reef sharks: recent advances in ecological understanding to inform conservation
First published online on 28 December 2015 Reef sharks: recent advances in ecological understanding to inform conservation G. J. Osgood and J. K. Baum ABSTRACT: Sharks are increasingly being recognized as important members of coral-reef communities, but their overall conservation status remains uncertain. Nine of the 29 reef-shark species are designated as data deficient in
The diversity, distribution and status of deep-water elasmobranchs in the Rockall Trough, north-east Atlantic Ocean
First published online on 28 December 2015 The diversity, distribution and status of deep-water elasmobranchs in the Rockall Trough, north-east Atlantic Ocean F. C. Neat, F. Burns, E. Jones, T. Blasdale ABSTRACT: Data from a scientific deep-water trawl fisheries survey in the north-east Atlantic were analysed to determine the spatial and bathymetric distribution of elasmobranch
Interannual variability in the skate assemblage on the South Patagonian shelf and slope
First published online on 28 December 2015 Interannual variability in the skate assemblage on the South Patagonian shelf and slope A. Winter, J. Pompert, A. Arkhipkin, P. E. Brewin ABSTRACT: Observer data from the commercial fishery on the Patagonian shelf and slope around the Falkland Islands (home to an assemblage of >16 skate species (Rajiformes),
Reproduction of the whitesnout guitarfish in the Ecuadorian Pacific Ocean
First published online on 28 December 2015 Reproduction of the whitesnout guitarfish Rhinobatos leucorhynchus in the Ecuadorian Pacific Ocean A. F. Romero-Caicedo and M. Carrera-Fernández ABSTRACT: Biological sampling of whitesnout guitarfish Rhinobatos leucorhynchus, caught as by-catch in the commercial fisheries on the Pacific coast of Ecuador, was conducted from specimens caught between April 2013 and