Scientific Papers

Chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1

Chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1

An annotated checklist of the chondrichthyan fishes inhabiting the northern Gulf of Mexico Part 1: Batoidea CHRISTIAN M. JONES, WILLIAM B. III DRIGGERS, KRISTIN M. HANNAN, ERIC R. HOFFMAYER, LISA M. JONES, SANDRA J. RAREDON ABSTRACT: Herein we consolidate the information available concerning the biodiversity of batoid fishes in the northern Gulf of Mexico, including

Daily and seasonal movements of Cape Cod gray seals vary with predation risk

Daily and seasonal movements of Cape Cod gray seals vary with predation risk

Daily and seasonal movements of Cape Cod gray seals vary with predation risk Jerry H. Moxley, Gregory Skomal, John Chisholm, Patrick Halpin, David W. Johnston ABSTRACT: White sharks Carcharodon carcharias and gray seals Halichoerus grypus are re-establishing their ecological roles within the Northwestern Atlantic Ocean, presenting an opportunity to understand gray seal movement and at-sea

Spatiotemporal distribution patterns of immature Australasian white sharks

Spatiotemporal distribution patterns of immature Australasian white sharks

Spatiotemporal distribution patterns of immature Australasian white sharks (Carcharodon carcharias) Julia L.Y. Spaet, Toby A. Patterson, Russell W. Bradford, Paul A. Butcher ABSTRACT: In Australian and New Zealand waters, current knowledge on white shark (Carcharodon carcharias) movement ecology is based on individual tracking studies using relatively small numbers of tags. These studies describe a species

Assessment of trends in the Portuguese elasmobranch commercial landings over three decades (1986–2017)

Assessment of trends in the Portuguese elasmobranch commercial landings over three decades (1986–2017)

Assessment of trends in the Portuguese elasmobranch commercial landings over three decades (1986–2017) Luís M.F.Alves, João P.S. Correia, Marco F.L. Lemos, Sara C. Novais, Henrique Cabral ABSTRACT: Portugal plays a major role in shark, skate and ray fisheries in the European Union. With the decline of these animals raising concerns amongst scientists all over the

Analysis of Shark Fisheries Typology in TPI Pangandaran

Analysis of Shark Fisheries Typology in TPI Pangandaran

Analysis of Shark Fisheries Typology in TPI Pangandaran, Pangandaran Regency, Indonesia Indriyani Rahayu, Zuzy Anna, Achmad Rizal, Iwang Gumilar ABSTRACT: Knowledge of the shark fisheries typology for manager or related stakeholder is a supporting factor for the success of the basic fisheries management program, especially shark fisheries. This study aims to analyze the technical, social

Fisheries Biology of Blue Sharks in Sagami Bay, Japan

Fisheries Biology of Blue Sharks in Sagami Bay, Japan

Fisheries Biology of Blue Sharks in Sagami Bay, Japan Hiroki Joshima, Chika Namaizawa, Tadashi Miyazaki, Daisuke Shiode, Jiro Yoshida, Masao Nemoto ABSTRACT: Blue shark (Prionace glauca) and shortfin mako shark (Isurus oxyrinchus) are recognized as pelagic sharks and highly migratory species, but these sharks appear in coastal areas. It is suggested that sharks migrate in

Management Scenarios for Whale Shark in Southeast Asia

Management Scenarios for Whale Shark in Southeast Asia

Anticipatory Marine Conservation Outcomes: Management Scenarios for Whale Shark in Southeast Asia Carlos A. Morales-Ramirez, Yi-Chen Wang ABSTRACT: The whale shark is a globally endangered species that is distributed in tropical and warm temperate waters. This study modeled the present-day and future habitat suitability of this species in the Sunda tectonic plate region in Southeast

High Residency and Predictable Seasonal Movement of Whale Sharks Off Tanzania

High Residency and Predictable Seasonal Movement of Whale Sharks Off Tanzania

No Place Like Home? High Residency and Predictable Seasonal Movement of Whale Sharks Off Tanzania Christoph A. Rohner, Jesse E. M. Cochran, E. Fernando Cagua, Clare E. M. Prebble, Stephanie K. Venables, Michael L. Berumen, Baraka L. Kuguru, Jason Rubens, Juerg M. Brunnschweiler, Simon J. Pierce ABSTRACT: Highly mobile marine megafauna species, while widely distributed

Whale sharks increase swimming effort while filter feeding

Whale sharks increase swimming effort while filter feeding

Whale sharks increase swimming effort while filter feeding, but appear to maintain high foraging efficiencies David E. Cade, J. Jacob Levenson, Robert Cooper, Rafael de la Parra, D. Harry Webb, Alistair D. M. Dove ABSTRACT: Whale sharks (Rhincodon typus) – the largest extant fish species – reside in tropical environments, making them an exception to

Mitochondrial genome of the silky shark

Mitochondrial genome of the silky shark

Mitochondrial genome of the silky shark Carcharhinus falciformis from the British Indian Ocean Territory Marine Protected Area Shaili Johri, Taylor K. Chapple, Elizabeth A. Dinsdale, Robert Schallert, Barbara A. Block ABSTRACT: We present the first mitochondrial genome of Carcharhinus falciformis from the Chagos Archipelago in the British Indian Ocean Territory (BIOT) Marine Protected Area (MPA).

First evidence of kleptoparasitism in sharks

First evidence of kleptoparasitism in sharks

Heterospecific foraging associations between reef‐associated sharks: first evidence of kleptoparasitism in sharks Pierre Labourgade, Laurent Ballesta, Charlie Huveneers, Yannis Papastamatiou, Johann Mourier ABSTRACT: Social foraging allows groups of predators to search for, pursue, and capture prey with greater efficiency than using solitary hunting. It can vary in complexity and take many forms ranging from cooperative

Effects of reward magnitude and training frequency on the learning rates and memory retention of the Port Jackson shark

Effects of reward magnitude and training frequency on the learning rates and memory retention of the Port Jackson shark

Effects of reward magnitude and training frequency on the learning rates and memory retention of the Port Jackson shark Heterodontus portusjacksoni Dennis D. U. Heinrich, Catarina Vila Pouca, Culum Brown, Charlie Huveneers ABSTRACT: The development of adaptive responses to novel situations via learning has been demonstrated in a wide variety of animal taxa. However, knowledge

Squalus shiraii, a new species of dogfish shark from Japan

Squalus shiraii, a new species of dogfish shark from Japan

Squalus shiraii sp. nov. (Squaliformes, Squalidae), a new species of dogfish shark from Japan with regional nominal species revisited Sarah T. F. L. Viana, Marcelo R. de Carvalho ABSTRACT: A new species of deep-water dogfish shark, Squalus shiraii sp. nov., is described herein as endemic to the tropical waters off Southern Japan. This species has

The historical ecology and demise of the iconic Angelshark in the southern North Sea

The historical ecology and demise of the iconic Angelshark in the southern North Sea

The historical ecology and demise of the iconic Angelshark Squatina squatina in the southern North Sea Roeland A. Bom, Monique van de Water, Kees C. J. Camphuysen, Henk W. van der Veer, Anieke van Leeuwen ABSTRACT: There is a growing call to restore the natural richness of the North Sea, but it is often unclear

Knowledge, Attitudes and Practices in Trinidad and Tobago regarding sharks and shark consumption

Knowledge, Attitudes and Practices in Trinidad and Tobago regarding sharks and shark consumption

An evaluation of the public’s Knowledge, Attitudes and Practices (KAP) in Trinidad and Tobago regarding sharks and shark consumption Lauren Ali, Elisabeth Grey, Delezia Singh, Azad Mohammed, Vrijesh Tripathi, Judith Gobin, Indar Ramnarine ABSTRACT: There is a global lack of data concerning shark consumption trends, consumer attitudes, and public knowledge regarding sharks. This is the