Publications

Retinal histogenesis in an elasmobranch species

Retinal histogenesis in an elasmobranch species

Published on 14. February 2012 Retinal histogenesis and cell differentiation in an elasmobranch species, the small-spotted catshark Scyliorhinus canicula. Bejarano-Escobar R, Blasco M, Durán AC, Rodríguez C, Martín-Partido G, Francisco-Morcillo J. ABSTRACT : Here we present a detailed study of the major events in the retinal histogenesis in a slow-developing elasmobranch species, the small-spotted catshark,

Relative Abundance of Smalltooth Sawfish

Relative Abundance of Smalltooth Sawfish

Relative Abundance of Smalltooth Sawfish (Pristis pectinata) Based on the Everglades National Park Creel Survey By John K. Carlson and Jason Osborne February 2012 U.S. Department of Commerce PDF – Download      

Shark-inflicted lesions on California sea lions

Shark-inflicted lesions on California sea lions

Shark-inflicted lesions on California sea lions (Zalophus californianus) at San Miguel Island, California: A new phenomenon Jeffrey D. Harris, Sharon R. Melin, and Robert L. DeLong ABSTRACT: Shark-inflicted lesions on California sea lions (Zalophus californianus) were observed in unprecedented numbers on San Miguel Island (SMI), California,from February to September 2011. Prior to this time period

Shark Fin Soup Helps the Poor

Shark Fin Soup Helps the Poor

Is the Fin Industry all that Bad? A seminar hold by Dr Choo-hoo Giam, Member, CITES Animals committee, UN Convention on International Trade in Endangered Species. Shark’s fin soup Also helps the Poor ‘’Each year, 73 million sharks are killed primarily for their fins to feed our increasing hunger for sharks fin soup.’’ WWF Singapore

Fisheries in the WECAFC region

Fisheries in the WECAFC region

WESTERN CENTRAL ATLANTIC FISHERY COMMISSION (WECAFC) FOURTEENTH SESSION Panama City, Panama, 6-9 February 2012 ‘ Review of the State of Fisheries in the WECAFC region ‘ by Tarûb Bahri PDF – DOWNLOAD    

BC Spiny Dogfish – Fisheries in Transition

BC Spiny Dogfish – Fisheries in Transition

50 Interviews with the Fishing Sector Report commissioned by The Prince’s Charities’ International Sustainability Unit February 2012 Please see PDF – page 36 : British Columbian Spiny Dogfish Fishery Interview with Michael Renwick, Executive Director of the British Columbia Dogfish Hook and Line Industry Association PDF-Download    

Clasper of the Southern Thorny Skate Amblyraja doellojuradoi

Clasper of the Southern Thorny Skate Amblyraja doellojuradoi

Published on 3. February 2012. Description of the clasper of the Southern Thorny Skate Amblyraja doellojuradoi (Pozzi, 1935) (Chondrichthyes: Rajidae) Gabriela Delpiani, Daniel E. Figueroa and Ezequiel Mabragaña ABSTRACT: This work constitutes the first description of the clasper of Amblyraja doellojuradoi. The characterization was based on both external morphology and the composition of the internal

A review of elasmobranch research in the Red Sea

A review of elasmobranch research in the Red Sea

Published online on 30. January 2012 J. L. Y. Spaet, S. R. Thorrold, M. L. Berumen. ABSTRACT: Given the global concern about the status of elasmobranch fishes, the paucity of information on elasmobranchs in the Red Sea is worrisome. Management of elasmobranchs in areas other than the Red Sea has been helped by research on

A new species of softnose skate from New Caledonia

A new species of softnose skate from New Caledonia

Published online on 26. January 2012. Bathyraja leucomelanos, a new species of softnose skate (Chondrichthyes: Arhynchobatidae) from New Caledonia Samuel Paco Iglésias and Lauriana Lévy-Hartmann ABSTRACT: A new species of softnose skate (Arhynchobatidae) is described, based on a single adult male measuring 895 mm TL that was collected at a depth of 953–1,022 m on the Coriolis

Conservation of whale sharks in Eastern Indonesia

Conservation of whale sharks in Eastern Indonesia

Published online on 24. January 2012 Prospects for whale shark conservation in Eastern Indonesia through bajo traditional ecological knowledge and community-based monitoring Natasha E Stacey, Johanna Karam, Mark G Meekan, Samuel Pickering, Jotham Ninef ABSTRACT: The whale shark, Rhincodon typus, is a long-lived migratory species inhabiting tropical and warm-temperate waters worldwide. Seasonal aggregations of whale

2012 Southern Division AFS Spring Meeting

2012 Southern Division AFS Spring Meeting

January 26-29, 2012 in Biloxi, Mississippi Meeting with Elasmobranch Symposium. FINAL  PROGRAM ( including Abstracts ): Fisheries in Recovery ? PDF – Download    

Influence of intra-specific predator-prey interactions on juvenile lemon sharks

Influence of intra-specific predator-prey interactions on juvenile lemon sharks

Published online on 20. January 2012. Deep danger: intra-specific predation risk influences habitat use and aggregation formation of juvenile lemon sharks Negaprion brevirostris Tristan L. Guttridge, Samuel H. Gruber, Bryan R. Franks, Steven T. Kessel, Katie S. Gledhill, Jen Uphill, Jens Krause, David W. Sims ABSTRACT: Non-consumptive or risk effects imposed by predators can influence

Effects of an extreme temperature event on bull sharks

Effects of an extreme temperature event on bull sharks

Not published yet Effects of an extreme temperature event on the behavior and age structure of an estuarine top predator, Carcharhinus leucas Philip Matich, Michael R. Heithaus ABSTRACT: The frequency of extreme environmental events is predicted to increase in the future. Understanding the short- and long-term impacts of these extreme events on large-bodied predators will

Mercury in deepwater chondrichthyans off southeastern Australia

Mercury in deepwater chondrichthyans off southeastern Australia

Not published yet. Trophic structure and biomagnification of mercury in an assemblage of deepwater chondrichthyans collected off southeastern Australia H. Pethybridge, E. C. V. Butler, D. Cossa, R. Daley, A. Boudou ABSTRACT: Stable isotope ratios of carbon (δ13C) and nitrogen (δ15N) were used to evaluate trophic structure and mercury biomagnification in an assemblage of 16

Living with high concentrations of urea: They can!

Living with high concentrations of urea: They can!

Published in Jan 2012 Francesca Trischitta, Caterina Faggio, Agata Torre ABSTRACT: Marine elasmobranchs maintain their body fluid isoosmotic or slightly hyperosmotic to the external medium by the retention of large urea concentrations. This review focuses on the strategies adopted by these fishes to maintain a large outwardly direct concentration gradient of this osmolyte minimizing the