Osmoregulation by juvenile brown-banded bamboo sharks in hypo- and hyper-saline waters

Published online on 11. April 2015 Osmoregulation by juvenile brown-banded bamboo sharks, Chiloscyllium punctatum, in hypo- and hyper-saline waters R.L. Cramp, M.J. Hansen, C.E. Franklin ABSTRACT: While there is a considerable body of work describing osmoregulation by elasmobranchs in brackish and saltwater, far fewer studies have investigated osmoregulation in hypersaline waters. We examined osmo- and

Using biological variables and reproductive strategy of the undulate ray to evaluate productivity and susceptibility to exploitation

Published online on 23. March 2015 Using biological variables and reproductive strategy of the undulate ray Raja undulata to evaluate productivity and susceptibility to exploitation B. Serra-Pereira, K. Erzini, I. Figueiredo ABSTRACT: The present work provides a detailed analysis of the reproductive strategy of the undulate ray Raja undulata in Portuguese mainland waters. The species

Variation in carcass and fin-weight ratios for sharks captured on demersal set-lines off eastern Australia

Published online on 13. March 2015 Variation in whole-, landed- and trimmed-carcass and fin-weight ratios for various sharks captured on demersal set-lines off eastern Australia Naomi Pleizier, Lee F.G. Gutowsky, Victor M. Peddemors, Steven J. Cooke, Paul A. Butcher ABSTRACT: Sharks are important apex predators in marine systems but many populations have experienced large declines,

Demographic history and the South Pacific dispersal barrier for school shark

Published online on 10. March 2015 Demographic history and the South Pacific dispersal barrier for school shark (Galeorhinus galeus) inferred by mitochondrial DNA and microsatellite DNA mark Sebastián Hernández, Ross Daley, Terry Walker, Matias Braccini, Andrea Varela, Malcolm P. Francis, Peter A. Ritchie ABSTRACT: We used mitochondrial DNA (mtDNA) control region (CR) sequences and genotypes

Huge Manta ray reportedly caught in Peru

9 News Adelaide: Shark Attack in Fishery Bay SA

First record of Mollisquama sp. from the Gulf of Mexico, with a morphological comparison to Mollisquama parini Dolganov

Published on 22. April 2015 First record of Mollisquama sp. (Chondrichthyes: Squaliformes: Dalatiidae) from the Gulf of Mexico, with a morphological comparison to the holotype description of Mollisquama parini Dolganov Mark A. Grace, Michael H. Doosey, Henry L. Bart, Gavin J. P. Naylor ABSTRACT: The description of the pocket shark genus Mollisquama (M. parini Dolganov,

Surfer in critical condition after shark attack at Fishery Bay, near Port Lincoln SA

News Release South Australia Police 25. April 2015 ——————– Update: Man critical after shark attack – Fishery Bay A man has been airlifted to Adelaide in a critical condition following a shark attack at Fishery Bay this morning about 40kms south of Port Lincoln At about 9.50am Police and South Australian Ambulance Service were called

Florida fisherman cited for illegal method of taking a mako shark

Florida Fish and Wildlife Conservation Commission ( FWC ) Division of Law Enforcement Weekly Report April 3, 2015 thru April 9, 2015 (…) NORTHWEST REGION BAY COUNTY Officer Brady received information concerning a Mako shark that had been illegally harvested by harpooning and the act was posted on Facebook. Officer Brady found the vessel and

Florida: Notice issued for possession and attempted sale of sawfish rostrum

Florida Fish and Wildlife Conservation Commission ( FWC ) Division of Law Enforcement Weekly Report April 3, 2015 thru April 9, 2015 (…) SOUTH REGION A BROWARD COUNTY Lieutenant Harp, Officers Ornold, Harris, Alford, Ariza, Investigators Rubio, Bingham and NMFS OLE Special Agent Maguire responded to an address in Ft. Lauderdale. The response regarded a

Third large tiger shark killed in Réunion Island within a week

La Réunion: Bull shark likely responsible for fatal attack on teenage surfer

Helmut Nickel (mail), Shark Year Magazine, 17. April 2015 This is an update on the fatal shark attack which occurred on 12. April 2015 off the headland of Pointe des Aigrettes, located close to Saint-Gilles in the commune of Saint-Paul. We already reported on this incident shortly after its occurrence, here. A forensic medical expertise

Basking shark filmed off Cervia, Italy

Molecular development of chondrichthyan claspers and the evolution of copulatory organs

Published on 14. April 2015 Molecular development of chondrichthyan claspers and the evolution of copulatory organs Katherine L. O’Shaughnessy, Randall D. Dahn, Martin J. Cohn ABSTRACT: The earliest known vertebrate copulatory organs are claspers, paired penis-like structures that are associated with evolution of internal fertilization and viviparity in Devonian placoderms. Today, only male chondrichthyans possess

Molecular and Morphological Analyses Reveal Phylogenetic Relationships of Stingrays Focusing on Dasyatidae

Published on 13. April 2015 Molecular and Morphological Analyses Reveal Phylogenetic Relationships of Stingrays Focusing on the Family Dasyatidae (Myliobatiformes) Kean Chong Lim, Phaik-Eem Lim, Ving Ching Chong, Kar-Hoe Loh ABSTRACT: Elucidating the phylogenetic relationships of the current but problematic Dasyatidae (Order Myliobatiformes) was the first priority of the current study. Here, we studied three