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Seventy years of tunas, billfishes, and sharks as sentinels of global ocean health
Seventy years of tunas, billfishes, and sharks as sentinels of global ocean health Maria José Juan-Jordá, Hilario Murua, Haritz Arrizabalaga, Gorka Merino, Nathan Pacoureau, Nicholas K. Dulvy ABSTRACT: Fishing activity is closely monitored to an increasing degree, but its effects on biodiversity have not received such attention. Using iconic and well-studied fish species such as
Multi-year effects of wildlife tourism on shark residency and implications for management
Multi-year effects of wildlife tourism on shark residency and implications for management Yuri Niella, Vinay Udyawer, Michael Drew, Brett Simes, Hugh Pederson, Charlie Huveneers ABSTRACT: Wildlife tourism can assist species conservation through community-involvement and education, while contributing to regional economies. In the last decade, shark diving has become increasingly popular among wildlife tourists worldwide, including
‘A human values issue’: Actors, arguments, and regulatory change in the Florida land-based shark fishery
‘A human values issue’: Actors, arguments, and regulatory change in the Florida land-based shark fishery Julia Wester, Dylann Turffs, David Shiffman, Catherine Macdonald ABSTRACT: Aquatic Conservation: Marine and Freshwater Ecosystems, 1– 17. DOI: 10.1002/aqc.3896 SOURCE
Long-range electric deterrents not as effective as personal deterrents for reducing risk of shark bite
Long-range electric deterrents not as effective as personal deterrents for reducing risk of shark bite Madeline Riley, Corey J A Bradshaw, Charlie Huveneers ABSTRACT: While personal electric deterrents can reduce the risk of shark bites, evidence for the efficacy of other products is limited. We assessed two versions of a novel electric deterrent—80 and 150
Short-term response of research activities on white shark behaviour
Short-term response of research activities on white shark behaviour Yuri Niella, Brett Simes , Andrew Fox, Andrew Wright, Matt Waller, Madeline Riley, Lauren Meyer, Michael Drew, Hugh Pederson, Charlie Huveneers ABSTRACT: Context: Researchers studying animals need to ensure that sampling procedures and the methods they use are as harmless and non-disruptive as possible, particularly when
Elasmobranch-associated microbiota: a scientometric literature review
Elasmobranch-associated microbiota: a scientometric literature review Ivana Correia Costa, Mariene Amorim de Oliveira, Natascha Wosnick, Rachel Ann Hauser-Davis, Salvatore Siciliano, Jorge Luiz Silva Nunes ABSTRACT: Elasmobranchs provide greatly relevant ecosystem services for the balance of the environments in which they are inserted. In recent decades, sharp population declines have been reported for many species in
New record of smalltooth sand tiger in the Mediterranean
New record of smalltooth sand tiger Odontaspis ferox (Risso, 1810) in the Mediterranean Alen Soldo, Rigers Bakiu, Nexhip Hysolakoj ABSTRACT: One shark was landed at the Naval Base Pasha Liman, Bay of Vlore, Albania, the Adriatic Sea. Photographic records only enabled the specimen to be placed in family Odontaspididae or Carchariidae. Later examination of the
A content analysis of 32 years of Shark Week documentaries
A content analysis of 32 years of Shark Week documentaries Lisa B. Whitenack, Brady L. Mickley, Julia Saltzman, Stephen M. Kajiura, Catherine C. Macdonald, David S. Shiffman ABSTRACT: Despite evidence of their importance to marine ecosystems, at least 32% of all chondrichthyan species are estimated or assessed as threatened with extinction. In addition to the
Tiger sharks support the characterization of the world’s largest seagrass ecosystem
Tiger sharks support the characterization of the world’s largest seagrass ecosystem Austin J. Gallagher, Jacob W. Brownscombe, Nourah A. Alsudairy, Andrew B. Casagrande, Chuancheng Fu, Lucy Harding, S. David Harris, Neil Hammerschlag, Wells Howe, Antonio Delgado Huertas, Sami Kattan, Andrew S. Kough, Andre Musgrove, Nicholas L. Payne, Adrian Phillips, Brendan D. Shea, Oliver N. Shipley,
First report of synophthalmia and leucism in a bull shark embryo
First report of synophthalmia and leucism in a bull shark (Carcharhinus leucas) embryo from the southeastern Gulf of Mexico Armando T. Wakida-Kusunoki, Vicente Anislado-Tolentino, Luis Fernando Del Moral-Flores ABSTRACT: An abnormal embryo (male of 465 mm total length) and 13 other embryos were removed from a pregnant female bull shark (Carcharhinus leucas) caught in coastal
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)