Scientific Papers

Patterns of Occurrence of Sharks in Sydney Harbour, a Large Urbanised Estuary

Patterns of Occurrence of Sharks in Sydney Harbour, a Large Urbanised Estuary

Published on 29. January 2016 Patterns of Occurrence of Sharks in Sydney Harbour, a Large Urbanised Estuary Amy F. Smoothey, Charles A. Gray, Steve J. Kennelly, Oliver J. Masens, Victor M. Peddemors, Wayne A. Robinson ABSTRACT: Information about spatial and temporal variability in the distribution and abundance of shark-populations are required for their conservation, management

Tracking white sharks in a dynamic system at the southern tip of Africa

Tracking white sharks in a dynamic system at the southern tip of Africa

Published on 30. January 2016 Tracking white sharks in a dynamic system at the southern tip of Africa Oliver JD Jewell​, David Edwards ABSTRACT: Sharks and rays are among the most important of marine megafauna as they are ecologically vital predators. However, most species are threatened and over exploited. Identifying core-habitats and movement patterns within

Is the tiger shark Galeocerdo cuvier a coastal species?

Is the tiger shark Galeocerdo cuvier a coastal species?

Published online on 28. January 2016 Is the tiger shark Galeocerdo cuvier a coastal species? Expanding its distribution range in the Atlantic Ocean using at-sea observer data A. Domingo, R. Coelho, E. Cortes, B. Garcia-Cortes, F. Mas, J. Mejuto, P. Miller, A. Ramos-Cartelle, M. N. Santos, K. Yokawa ABSTRACT: The occurrence of tiger shark Galeocerdo

Ocean-wide tracking of pelagic sharks reveals extent of overlap with longline fishing hotspots

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

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

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

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

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

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

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

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

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

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

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

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