Disappearing Silky and Thresher Sharks

A fact sheet from The PEW Charitable Trusts Published in July 2014 PDF – DOWNLOAD    

Movements of Blue Sharks across Their Life History

Published on 13. August 2014 Movements of Blue Sharks (Prionace glauca) across Their Life History Frederic Vandeperre, Alexandre Aires-da-Silva, Jorge Fontes, Marco Santos, Ricardo Serrão Santos, Pedro Afonso ABSTRACT: Spatial structuring and segregation by sex and size is considered to be an intrinsic attribute of shark populations. These spatial patterns remain poorly understood, particularly for

Discovery Channel reels in highest ratings for Shark Week in 27 years, shattering viewership records

Press Release Discovery Channel 11. August 2014 ————————- (Los Angeles, Calif.) Discovery’s SHARK WEEK 2014 broke viewership records pulling in the highest ratings in its 27-year history on Sunday August 10, earning a historic 2.27 P25-54 rating and delivering 3.64 million total viewers P2+ delivery. This is the highest-rated evening ever for SHARK WEEK to

Seagrasses in the age of sea turtle conservation and shark overfishing

Published online on 05. August 2014 Seagrasses in the age of sea turtle conservation and shark overfishing Michael R. Heithaus, Teresa Alcoverro, Rohan Arthur, Derek A. Burkholder, Kathryn A. Coates, Marjolijn J. A. Christianen, Nachiket Kelkar, Sarah A. Manuel, Aaron J. Wirsing, W. Judson Kenworthy, James W. Fourqurean ABSTRACT: Efforts to conserve globally declining herbivorous

Map of Shark Protection Through Time

Evidence for multiple paternity in the school shark found in New Zealand waters

Published online on 12. August 2014 Evidence for multiple paternity in the school shark Galeorhinus galeus found in New Zealand waters S. Hernández, C. Duffy, M. P. Francis, P. A. Ritchie ABSTRACT: This study assessed the levels of relatedness of Galeorhinus galeus of progeny arrays using six microsatellite DNA markers. A parentage analysis from five

Whale shark economics: a valuation of wildlife tourism in South Ari Atoll, Maldives

Published on 12. August 2014 Whale shark economics: a valuation of wildlife tourism in South Ari Atoll, Maldives Edgar Fernando Cagua​, Neal Collins, James Hancock, Richard Rees ABSTRACT: Whale sharks attract large numbers of tourists, divers and snorkelers each year to South Ari Atoll in the Republic of Maldives. Yet without information regarding the use

NZ: Decade of great white shark research nears end

A joint 10-year NIWA and the Department of Conservation project to find out more about the great white sharks that inhabit New Zealand waters is coming to an end as scientists tackle the final phases of data analysis. NIWA fisheries scientist and shark expert Dr Malcolm Francis is one of several scientists who have spent the past decade tagging...

The Use of Satellite Tags to Redefine Movement Patterns of Spiny Dogfish along the U.S. East Coast

Published on 28. July 2014 The Use of Satellite Tags to Redefine Movement Patterns of Spiny Dogfish (Squalus acanthias) along the U.S. East Coast: Implications for Fisheries Management Amy E. Carlson, Eric R. Hoffmayer, Cindy A. Tribuzio, James A. Sulikowski ABSTRACT: Spiny dogfish (Squalus acanthias) are assumed to be a highly migratory species, making habitual

Rajella paucispinosa n. sp., a new deep-water skate from the western Indian Ocean off South Mozambique

Published on 08. August 2014 Rajella paucispinosa n. sp., a new deep-water skate (Elasmobranchii, Rajidae) from the western Indian Ocean off South Mozambique, and a revised generic diagnosis Simon Weigmann, Matthias F.W. Stehmann, Ralf Thiel ABSTRACT: A new species of the widely in temperate and tropical latitudes distributed skate genus Rajella is described based on

Validated age estimates for large white sharks of the northeastern Pacific Ocean

Published on 08. August 2014 Validated age estimates for large white sharks of the northeastern Pacific Ocean: altered perceptions of vertebral growth shed light on complicated bomb Δ14C results Allen H. Andrews, Lisa A. Kerr ABSTRACT: Age validation studies of large shark species using bomb radiocarbon (14C) dating have revealed that the growth of vertebrae

A new metric for measuring condition in large predatory sharks

Published online on 06. August 2014 A new metric for measuring condition in large predatory sharks D. J. Irschick, N. Hammerschlag ABSTRACT: A simple metric (span condition analysis; SCA) is presented for quantifying the condition of sharks based on four measurements of body girth relative to body length. Data on 104 live sharks from four

Visual Features of Mesopelagic Bioluminescent Sharks

Published on 06. August 2014 Photon Hunting in the Twilight Zone: Visual Features of Mesopelagic Bioluminescent Sharks Julien M. Claes, Julian C. Partridge, Nathan S. Hart, Eduardo Garza-Gisholt, Hsuan-Ching Ho, Jérôme Mallefet, Shaun P. Collin ABSTRACT: The mesopelagic zone is a visual scene continuum in which organisms have developed various strategies to optimize photon capture.

Spot-tail sleeper-rays in the Singapore Straits

Spot-tail sleeper-rays in the Singapore Straits Date of publication: 25 July 2014. Subjects: Spot-tail sleeper-ray, Narke dipterygia (Chondrichthyes: Narkidae). Subjects identified by: Contributors. Location, date and time: Singapore Straits near the Eastern Boarding Ground A (1°13’036”N 103°52’820”E); 22 May.2013; 1042-1052 hrs Singapore Biodiversity Records 2014: 199-200 PDF – DOWNLOAD  

White-spotted eagle ray at Tanah Merah

White-spotted eagle ray at Tanah Merah Date of publication: 18 July 2014. Subject: White-spotted eagle ray, Aetobatus mula (Chondrichthyes: Batoidea: Myliobatidae). Subject identified by: Contributors. Location, date and time: Singapore Straits, east coast at Tanah Merah; 6 May 2011; 0630 hrs Singapore Biodiversity Records 2014: 189 PDF – DOWNLOAD