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How the dogfish shark scavenges ammonia from its environment
Published online on 19. October 2016 Feeding through your gills and turning a toxicant into a resource: how the dogfish shark scavenges ammonia from its environment Chris M. Wood, Marina Giacomin ABSTRACT: Nitrogen (N) appears to be a limiting dietary resource for elasmobranchs, required not only for protein growth but also for urea-based osmoregulation. Building
Global population genetic dynamics of a highly migratory, apex predator shark
Published on 18. October 2016 Global population genetic dynamics of a highly migratory, apex predator shark Andrea M. Bernard, Kevin A. Feldheim, Michael R. Heithaus, Sabine P. Wintner, Bradley M. Wetherbee, Mahmood S. Shivji ABSTRACT: Knowledge of genetic connectivity dynamics in the world’s large-bodied, highly migratory, apex predator sharks across their global ranges is limited.
Redescription of the Broadfin Shark from the northeastern Arabian Sea
Published on 13. October 2016 Redescription of the rare and endangered Broadfin Shark Lamiopsis temminckii (Müller & Henle, 1839) (Carcharhiniformes:Carcharhinidae) from the northeastern Arabian Sea K.V. AKHILESH, W.T. WHITE, K.K. BINEESH, G.B. PURUSHOTTAMA, V.V. SINGH, V.V. SINGH, P.U. ZACHARIA ABSTRACT: The genus Lamiopsis (Carcharhinidae) was previously considered to be monotypic, containing only the Broadfin Shark
Parotid duct injury secondary to shark bite injury
Published online on 11. October 2016 Parotid duct injury secondary to shark bite injury: Repair with a Crawford stent Mallory Highstein, Tristan Tham, Prabhjyot Singh, Peter Costantino ABSTRACT: Introduction Here we present a unique case of repair of a parotid injury caused by a shark attack. The repair technique is of interest due to the
First North Pacific records of the pointy nosed blue chimaera
Published on 11. October 2016 First North Pacific records of the pointy nosed blue chimaera, Hydrolagus cf. trolli (Chondrichthyes: Chimaeriformes: Chimaeridae) Amber N. Reichert, Lonny Lundsten, David A. Ebert ABSTRACT: The occurrence of Hydrolagus cf. trolli is reported for the first time from the central and eastern North Pacific Ocean. This is a geographic range
Record of a two-headed embryo of Galeus atlanticus and review of the literature
Published online on 09. October 2016 Dicephalous v. diprosopus sharks: record of a two-headed embryo of Galeus atlanticus and review of the literature V. Sans-Coma, C. Rodríguez, M. A. López-Unzu, M. Lorenzale, B. Fernández, L. Vida, A. C. Durán ABSTRACT: As far as is known, this paper gives the first description of a two-headed shark
New record of the bull shark in an equatorial river system
Published online on 06. October 2016 New record of Carcharhinus leucas (Valenciennes, 1839) in an equatorial river system Leonardo Manir Feitosa, Ana Paula Barbosa Martins, Jorge Luiz Silva Nunes ABSTRACT: Bull sharks are a cosmopolitan shark species frequently found in shallow shelf ocean waters and, occasionally, in several tropical river systems around the world. Due
Taxonomic observations on stingrays of the genus Dasyatis in the Gulf of Gabès
Published on 04. October 2016 Taxonomic observations on stingrays of the genus Dasyatis (Chondrichthyes: Dasyatidae) in the Gulf of Gabès (Southeastern Mediterranean Sea) ABDESSELEM SAADAOUI, BECHIR SAIDI, AZIZA ELGLID, BERNARD SÉRET, MOHAMED N. BRADAI ABSTRACT: Four species of stingrays of the genus Dasyatis occur in the Gulf of Gabès, but the taxonomic status of one
A new elusive otodontid shark from the lower Miocene
Published online on 03 October 2016 A new elusive otodontid shark (Lamniformes: Otodontidae) from the lower Miocene, and comments on the taxonomy of otodontid genera, including the ‘megatoothed’ clade Kenshu Shimada, Richard E. Chandler, Otto Lok Tao Lam, Takeshi Tanaka & David J. Ward ABSTRACT: We describe a new large otodontid lamniform shark, Megalolamna paradoxodon
Complete mitochondrial genome of the porbeagle shark
Published online on 03 October 2016 Complete mitochondrial genome of the porbeagle shark, Lamna nasus (Chondrichthyes, Lamnidae) Píndaro Díaz-Jaimes, Manuel Uribe-Alcocer, Douglas H. Adams, Jose Miguel Rangel-Morales & Natalia J. Bayona-Vásquez ABSTRACT: We report for the first time, the complete mitochondrial genome sequence of the porbeagle shark, Lamna nasus, from a specimen collected from offshore
Social Network Analysis Reveals Potential Fission-Fusion Behavior in a Shark
Published online on 30 September 2016 Social Network Analysis Reveals Potential Fission-Fusion Behavior in a Shark Danielle E. Haulsee, Dewayne A. Fox, Matthew W. Breece, Lori M. Brown, Jeff Kneebone, Gregory B. Skomal, Matthew J. Oliver ABSTRACT: Complex social networks and behaviors are difficult to observe for free-living marine species, especially those that move great
Sharks caught in the KwaZulu-Natal bather protection programme: The tiger shark
Published online on 16. September 2016 Sharks caught in the KwaZulu-Natal bather protection programme, South Africa. 13. The tiger shark Galeocerdo cuvier ML Dicken, G Cliff, H Winker ABSTRACT: The current study provides long-term catch rate and biological data for tiger sharks Galeocerdo cuvier caught in the KwaZulu-Natal bather protection programme. Between 1978 and 2014,
Etmopterus alphus n. sp.: a new lanternshark from the south-western Indian Ocean.
Published on 16. September 2016 Etmopterus alphus n. sp.: a new lanternshark (Squaliformes: Etmopteridae) from the south-western Indian Ocean. Ebert, D.A., Straube, N., Leslie, R.W. & Weigmann, S. ABSTRACT: A new species of lanternshark, Etmopterus alphus (Squaliformes: Etmopteridae), is described from the south-western Indian Ocean. The new species resembles other members of the ‘Etmopterus lucifer’
South-western Australian White Shark Population Research Report
WA Fisheries Department, September 2016: A new study has been released on the south-western population of white sharks, which extends across Western Australia and South Australia. The report examines the potential variations in the population that may have resulted from major changes in fishing effort that have occured since the late 1930s and the full
Comparative age and growth of the Aleutian skate, Bathyraja aleutica, from the eastern Bering Sea and Gulf of Alaska
Published on 09. September 2016 Comparative age and growth of the Aleutian skate, Bathyraja aleutica, from the eastern Bering Sea and Gulf of Alaska Diane L. Haas, David A. Ebert, Gregor M. Cailliet ABSTRACT: The Aleutian skate (Bathyraja aleutica) is a large deep-water species that commonly occurs in bycatch of Alaskan trawl and longline fisheries.