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Policy and transparency gaps for oceanic shark and rays in high seas tuna fisheries
Policy and transparency gaps for oceanic shark and rays in high seas tuna fisheries Melissa R. Cronin, Julia E. Amaral, Alexis M. Jackson, Jennifer Jacquet, Katherine L. Seto, Donald A. Croll ABSTRACT: The incidental capture by marine fisheries as bycatch poses a global threat to pelagic sharks and rays. In large, industrialized fisheries that often
Phylogeny explains capture mortality of sharks and rays in pelagic longline fisheries
Phylogeny explains capture mortality of sharks and rays in pelagic longline fisheries: a global meta-analytic synthesis Eric Gilman, Milani Chaloupka, Lee R. Benaka, Heather Bowlby, Mark Fitchett, Michel Kaiser, Michael Musyl ABSTRACT: Apex and mesopredators such as elasmobranchs are important for maintaining ocean health and are the focus of conservation efforts to mitigate exposure to
Trace elements in the silky shark in the Central Pacific Mexican Shelf
Trace elements in the silky shark Carcharhinus falciformis in the Central Pacific Mexican Shelf Christian Vega-Barba, Federico Páez-Osuna, Felipe Galván-Magaña, Isis Baró-Camarasa, Bernabé Aguilar-Palomino, Víctor Hugo Galván-Piña, Ana J. Marmolejo-Rodríguez ABSTRACT: Mercury (Hg), cadmium (Cd) and copper (Cu) concentrations were determined in muscle, liver and fin of the silky shark (Carcharhinus falciformis) caught in the
Challenges in avoiding deep-water shark bycatch in Azorean hook-and-line fisheries
Challenges in avoiding deep-water shark bycatch in Azorean hook-and-line fisheries Laurence Fauconnet, Diana Catarino, Diya Das, Eva Giacomello, José Manuel Gonzalez-Irusta, Pedro Afonso, Telmo Morato ABSTRACT: Deep-water sharks are highly diverse, vulnerable, and understudied as a group, despite the increasing pressures on their populations. Twenty-five species of deep-water sharks have been recorded in the Azores,
Parasites and prey of the nursehound shark Scyliorhinus stellaris
Parasites and prey of the nursehound shark Scyliorhinus stellaris (Linnaeus, 1758): Insights into hidden trophic web interactions in the Mediterranean Sea Mario Santoro, Bruno Bellisario, Fernando Ángel Fernández-Álvarez, Fabio Crocetta, Marialetizia Palomba ABSTRACT: The metazoan parasite community and the stomach contents of the nursehound shark Scyliorhinus stellaris from the Gulf of Naples (central Mediterranean Sea)
Development and validation of a drill attachment for faster and safer deployments of fin-mounted geolocators in large-bodied sharks
Development and validation of a drill attachment for faster and safer deployments of fin-mounted geolocators in large-bodied sharks C. Samantha Sherman, Eric D. Digel, Patrick Zubick, Jonathan Eged, Alifa B. Haque, Jay H. Matsushiba, Colin A. Simpfendorfer, Glenn Sant, Nicholas K. Dulvy ABSTRACT: Fin-mounted geolocators are widely used in marine studies to track animal movements
High overexploitation risk due to management shortfall in highly traded requiem sharks
High overexploitation risk due to management shortfall in highly traded requiem sharks C. Samantha Sherman, Eric D. Digel, Patrick Zubick, Jonathan Eged, Alifa B. Haque, Jay H. Matsushiba, Colin A. Simpfendorfer, Glenn Sant, Nicholas K. Dulvy ABSTRACT: Much of the international trade in fins (and likely meat too) is derived from requiem sharks (family Carcharhinidae),
Detection of numerous phycotoxins in young bull sharks
Detection of numerous phycotoxins in young bull sharks (Carcharhinus leucas) collected from an estuary of national significance Michelle L.Edwards, Adam M. Schaefer, Malcolm McFarland, Spencer Fire, Christopher R. Perkins, Matthew J. Ajemian ABSTRACT: Florida’s Indian River Lagoon (IRL) has experienced large-scale, frequent blooms of toxic harmful algae in recent decades. Sentinel, or indicator, species can