Author Archive

A hitchhiker guide to manta rays

A hitchhiker guide to manta rays

A hitchhiker guide to manta rays: Patterns of association between Mobula alfredi, M. birostris, their symbionts, and other fishes in the Maldives Aimee E. Nicholson-Jack, Joanna L. Harris, Kirsty Ballard, Katy M. E. Turner, Guy M. W. Stevens ABSTRACT: Despite being among the largest and most charismatic species in the marine environment, considerable gaps remain

Resource partitioning between fisheries and endangered sharks

Resource partitioning between fisheries and endangered sharks

Resource partitioning between fisheries and endangered sharks in a tropical marine food web Viviana Márquez-Velásquez, Andrés F Navia, Ricardo S Rosa, Paulo R Guimarães, Jr, Rafael L G Raimundo ABSTRACT: Fisheries can act as top predators and affect marine biodiversity and ecosystem functioning via their target species. We studied a coastal food web in the

Probable nursery habitat for critically endangered great hammerhead on the US Atlantic Coast

Probable nursery habitat for critically endangered great hammerhead on the US Atlantic Coast

First identification of probable nursery habitat for critically endangered great hammerhead Sphyrna mokarran on the Atlantic Coast of the United States Catherine Macdonald, Jacob Jerome, Christian Pankow, Nicholas Perni, Kristina Black, David Shiffman, Julia Wester ABSTRACT: Great hammerheads (Sphyrna mokarran) have undergone significant global population declines and were assessed as Critically Endangered by the IUCN

‘Get out of the water!’ Monster shark movies massacre shark conservation

‘Get out of the water!’ Monster shark movies massacre shark conservation

News Release University of South Australia 14 July 2021 — — — — — — Undeniably the shark movie to end all shark movies, the 1975 blockbuster, Jaws, not only smashed box office expectations, but forever changed the way we felt about going into the water – and how we think about sharks. Now, more

Results of the 2021 Block Island Shark Tournament

Results of the 2021 Block Island Shark Tournament

8th Annual Block Island Giant Shark Tournament Location: Payne’s Dock, Block Island, Rhode Island, USA.Date: 08. – 10. July 2021 Tournament Winner: Species: Thresher shark (Alopias vulpinus)Weight: 233 lbsBoat: Game TimeCaptain: Tom Spazian 1st Place Mako: Species: Shortfin Mako shark (Isurus oxyrinchus)Weight: 168 lbs (74.5 inches)Boat: ReelisticCaptain: Mike RizzoAngler: Stephen Mollicone The results of last

Video: Megamouth Shark Released Off Taiwan

Oceanic Diel Vertical Movement Patterns of Blue Sharks

Oceanic Diel Vertical Movement Patterns of Blue Sharks

Oceanic Diel Vertical Movement Patterns of Blue Sharks Vary With Water Temperature and Productivity to Change Vulnerability to Fishing Marisa Vedor, Gonzalo Mucientes, Sofia Hernández-Chan, Rui Rosa, Nick Humphries, David W. Sims, Nuno Queiroz ABSTRACT: In the pelagic environment diel vertical movements (DVM) are widespread across taxa, from zooplankton ascending from day-time depths into surface

Sharks on film: an analysis of how shark-human interactions are portrayed in films

Sharks on film: an analysis of how shark-human interactions are portrayed in films

Sharks on film: an analysis of how shark-human interactions are portrayed in films Brianna Le Busque, Carla Litchfield ABSTRACT: Sharks are often a focus of exaggerated news media coverage, with shark-human portrayals and the species typically involved in these interactions being discussed most frequently. This study advanced understanding of sharks in the media by analyzing

The Horizontal Movements of Whale Sharks in the Northern Arabian Sea

The Horizontal Movements of Whale Sharks in the Northern Arabian Sea

First Insights Into the Horizontal Movements of Whale Sharks (Rhincodon typus) in the Northern Arabian Sea Lucy M. Arrowsmith, Charan Kumar Paidi, Farukhkha Husenkha Bloch, Sajan John, Binod Chandra Choudhury, Rahul Kaul, Ana M. M. Sequeira, Charitha B. Pattiaratchi, Mark G. Meekan ABSTRACT: Whale sharks off the western coast of India have suffered high levels

Genetic diversity in two threatened species of guitarfish from the Brazilian and Argentinian coasts

Genetic diversity in two threatened species of guitarfish from the Brazilian and Argentinian coasts

Genetic diversity in two threatened species of guitarfish (Elasmobranchii: Rhinobatidae) from the Brazilian and Argentinian coasts: an alert for conservation Vanessa P. Cruz, Aisni M.C. L. Adachi, Pablo H. Oliveira Giovana, S. Ribeiro, Fabilene G. Paim, Bruno C. Souza, Alexandre S.F. Rodrigues, Marcelo Vianna, Sergio M. Delpiani, Juan Martín Díaz de Astarloa, Matheus M. Rotundo,

Social representations of sharks

Social representations of sharks

Social representations of sharks, perceived communality, and attitudinal and behavioral tendencies towards their conservation: An exploratory sequential mixed approach João Neves, Jean-Christophe Giger, Nuno Piçarra, Vasco Alves, Joana Almeida ABSTRACT: Sharks are crucial to the marine ecosystem, but they are critically declining. Their bad public image explains, to some extent, the lesser concern for their

Movement of the bull shark in the upper Mississippi River Basin

Movement of the bull shark in the upper Mississippi River Basin

Movement of the bull shark (Carcharhinus leucas) in the upper Mississippi River Basin, North America Ryan Shell, Nicholas Gardner ABSTRACT: Rare appearances of bull sharks (Carcharhinus leucas) in river systems and other freshwater ecosystems have been reported from five continents. The wide geographic range of this phenomenon, the physiological adaptations of this species to allow

Illegal Fisheries Threatening Shark Conservation in African Waters

Illegal Fisheries Threatening Shark Conservation in African Waters

Illegal, Unreported, and Unregulated Fisheries Threatening Shark Conservation in African Waters Revealed from High Levels of Shark Mislabelling in Ghana Narkie Akua Agyeman, Carmen Blanco-Fernandez, Sophie Leonie Steinhaussen, Eva Garcia-Vazquez, Gonzalo Machado-Schiaffino ABSTRACT: Mislabelling of fish and fish products has attracted much attention over the last decades, following public awareness of the practice of substituting

New Bull Shark Record Certified in Mississippi

New Bull Shark Record Certified in Mississippi

Press Release Mississippi Department of Marine Resources 22. July 2021 — — — — — — — — MDMR certifies five state records BILOXI, Miss. – The Mississippi Department of Marine Resources certified five state fishing records this month. Mason Watts, 12, of Long Beach set the youth record for Red Snapper (Litjanus campechanus) with

Why are some fish warm-blooded? Research points to a crucial speed advantage

Why are some fish warm-blooded? Research points to a crucial speed advantage

News Release Trinity College Dublin 1st July 2021 — — — — — — — — New research from marine biologists offers answers to a fundamental puzzle that had until now remained unsolved: why are some fish warm-blooded when most are not? It turns out that while (warm-blooded) fish able to regulate their own body