August, 2021

Sharks, Lies, and Videotape: A content analysis of 32 years of Shark Week documentaries

Sharks, Lies, and Videotape: A content analysis of 32 years of Shark Week documentaries

Sharks, Lies, and Videotape: 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 25% of all chondrichthyan species are estimated or assessed as threatened with extinction.

The role and value of science in shark conservation advocacy

The role and value of science in shark conservation advocacy

The role and value of science in shark conservation advocacy David S Shiffman, Catherine C Macdonald, S Scott Wallace, Nicholas K Dulvy ABSTRACT: Many species of sharks are threatened with extinction, and there has been a longstanding debate in scientific and environmental circles over the most effective and appropriate strategy to conserve and protect them.

Results of the 2021 Yarmouth Shark Scramble

Results of the 2021 Yarmouth Shark Scramble

23rd Annual Shark Scramble Date: 18th to 21th of August 2021Location: Yarmouth, Nova Scotia, Canada. 14 vessels and 115 participants RESULTS: 1st PlaceSpecies: Blue shark (Prionace glauca)Weight: 438 lbsAngler: Cody TitusVessel: Roy’s Boy 2nd PlaceSpecies: Blue shark (Prionace glauca)Weight: 385 lbsAngler: Jacques SuretteVessel: Pull N’ Prey 3rd PlaceSpecies: Blue shark (Prionace glauca)Weight: 332 lbsAngler: Christian

Diet of the Silky Shark off Côte d’Ivoire

Diet of the Silky Shark off Côte d’Ivoire

Diet of the Silky Shark Carcharhinus falciformis (Müller & Henle, 1839) in Waters off Côte d’Ivoire (West Africa) Koua Clément N’Gouan, Kouadio Justin Konan, Oi Edia Edia ABSTRACT: Aims: This study was to establish the feeding habits of silky shark Carcharhinus falciformis in waters off Côte d’Ivoire. Study design: All stomachs of the specimens were

Movements and residency of Caribbean reef sharks at a remote atoll in Belize

Movements and residency of Caribbean reef sharks at a remote atoll in Belize

Movements and residency of Caribbean reef sharks at a remote atoll in Belize, Central America Ivy E. Baremore, Rachel T. Graham, George H. Burgess, Daniel W. Castellanos ABSTRACT: We investigated spatial use patterns of 77 Caribbean reef sharks (Carcharhinus perezi) at Lighthouse Reef Atoll, Belize over 7 years using residency patterns, kernel density (KD) estimation

Tooth morphology elucidates shark evolution across the end-Cretaceous mass extinction

Tooth morphology elucidates shark evolution across the end-Cretaceous mass extinction

Tooth morphology elucidates shark evolution across the end-Cretaceous mass extinction Mohamad Bazzi, Nicolás E. Campione, Per E. Ahlberg, Henning Blom, Benjamin P. Kear ABSTRACT: Sharks (Selachimorpha) are iconic marine predators that have survived multiple mass extinctions over geologic time. Their prolific fossil record is represented mainly by isolated shed teeth, which provide the basis for

Stable Isotope Analysis of Juvenile White Sharks Inside a Nursery Area

Stable Isotope Analysis of Juvenile White Sharks Inside a Nursery Area

Stable Isotope Analysis of Juvenile White Sharks Inside a Nursery Area Reveals Foraging in Demersal-Inshore Habitats and Trophic Overlap With Sympatric Sharks Emiliano García-Rodríguez, Sharon Z. Herzka, Oscar Sosa-Nishizaki, Christopher G. Lowe, John B. O’Sullivan ABSTRACT: Knowledge about top predators’ trophic ecology is crucial for defining their role in ecosystems, understanding habitat preferences, characterizing life

Genomic assessment of global population structure in the tiger shark

Genomic assessment of global population structure in the tiger shark

Genomic assessment of global population structure in a highly migratory and habitat versatile apex predator, the tiger shark (Galeocerdo cuvier) Andrea M Bernard, Kimberly A Finnegan, Paulina Pavinski Bitar, Michael J Stanhope, Mahmood S Shivji ABSTRACT: Understanding the population dynamics of highly mobile, widely distributed, oceanic sharks, many of which are overexploited, is necessary to

UK Government to introduce world-leading ban on shark fin trade

UK Government to introduce world-leading ban on shark fin trade

Press Release UK Department for Environment, Food & Rural Affairsand The Rt Hon Lord Goldsmith 15 August 2021 — — — — — — — The UK will ban the import and export of detached shark fins and products containing them. Import and export of detached shark fins banned to promote shark conservation World-leading trade

Conservation Status of Shark Landed in Pangandaran Regency

Conservation Status of Shark Landed in Pangandaran Regency

Conservation Status of Shark Landed in Local Fish Market in Pangandaran Regency, Indonesia Rega Permana, Nursaidah, Ihda Abdul Hadi, Idham Rinaldi ABSTRACT: Pangandaran has a great fishery potential. Therefore, fishing communities make fisheries a source of economy, especially in the fishing sector, namely by buying and selling the catch. Fish buying and selling activities are

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil

Morphological, cytochemical and ultrastructural aspects of blood cells in freshwater stingray species in the middle Rio Negro basin of Amazonian Brazil Adriano Teixeira de Oliveira, Jefferson Raphael Gonzaga de Lemos, Marcio Quara de Carvalho Santos, Jackson Pantoja-Lima, Paulo Henrique Rocha Aride, Maria Lúcia Góes de Araújo, Marcos Tavares-Dias & Jaydione Luiz Marcon ABSTRACT: In the

Sexual conflicts in sand tiger sharks in an artificial environment

Sexual conflicts in sand tiger sharks in an artificial environment

Sexual conflicts in sand tiger sharks Carcharias taurus (Rafinesque, 1810) in an artificial environment Claus, E., Henningsen, A., Wetherbee, B., & Shivji, M. ABSTRACT: Understanding reproductive behaviours and the environmental conditions that facilitate reproduction is important for successful reproduction in managed care. Complex reproductive behaviours have been observed in both aquarium and free-ranging elasmobranchs. Sexual

Movements, Habitat Use, and Diving Behavior of Shortfin Mako in the Atlantic Ocean

Movements, Habitat Use, and Diving Behavior of Shortfin Mako in the Atlantic Ocean

Movements, Habitat Use, and Diving Behavior of Shortfin Mako in the Atlantic Ocean Catarina C. Santos, Andrés Domingo, John Carlson, Lisa J. Natanson, Paulo Travassos, David Macías, Enric Cortés, Philip Miller, Fábio Hazin, Federico Mas, Josetxu Ortiz de Urbina, Pedro G. Lino, Rui Coelho ABSTRACT: The shortfin mako is one of the most important shark

Physiological markers suggest energetic and nutritional adjustments in male sharks linked to reproduction

Physiological markers suggest energetic and nutritional adjustments in male sharks linked to reproduction

Physiological markers suggest energetic and nutritional adjustments in male sharks linked to reproduction Bianca S. Rangel, Neil Hammerschlag, James A. Sulikowski, Renata Guimarães Moreira ABSTRACT: Energetic condition is one of the most important factors that influence fitness and reproductive performance in vertebrates. Yet, we lack evidence on how energetic states change in response to reproduction

Results of the 2021 Point Lookout Shark Tournament

Results of the 2021 Point Lookout Shark Tournament

8th Annual Pt. Lookout Shark Tournament Location: Point Lookout, New York, USA.Date: 13. June 2021 WINNERS 1st Place:Boat: Lady MaureenSpecies: Thresher shark (Alopias vulpinus)Weight: 456 lbs 2nd Place:Boat: Sea Moose IISpecies: Thresher shark (Alopias vulpinus)Weight: 295 lbs 3rd Place:Boat: Cannonball IISpecies: Thresher shark (Alopias vulpinus)Weight: 278 lbs Winning Mako: Boat: Hooking OnSpecies: Shortfin mako shark