Scientific Papers

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Molecular basis of ancestral vertebrate electroreception

Molecular basis of ancestral vertebrate electroreception

Published online on 06. March 2017 Molecular basis of ancestral vertebrate electroreception Nicholas W. Bellono, Duncan B. Leitch, David Julius ABSTRACT: Elasmobranch fishes, including sharks, rays, and skates, use specialized electrosensory organs called ampullae of Lorenzini to detect extremely small changes in environmental electric fields. Electrosensory cells within these ampullae can discriminate and respond to

Preliminary recovery of coastal sharks in the south-east United States

Preliminary recovery of coastal sharks in the south-east United States

Published online on 10. February 2017 Preliminary recovery of coastal sharks in the south-east United States Cassidy D Peterson, Carolyn N Belcher, Dana M Bethea, William B Driggers III, Bryan S Frazier, Robert J Latour ABSTRACT: Relative abundance of many shark species in the Atlantic is assessed by compiling data from several independently conducted, but

Horizontal and vertical movements of Caribbean reef sharks

Horizontal and vertical movements of Caribbean reef sharks

Published on 15. February 2017 Horizontal and vertical movements of Caribbean reef sharks (Carcharhinus perezi): conservation implications of limited migration in a marine sanctuary Oliver N. Shipley, Lucy A. Howey, Emily R. Tolentino, Lance K. B. Jordan, Jonathan L. W. Ruppert, Edward J. Brooks ABSTRACT: Despite the ecological and economic importance of the Caribbean reef

Long-term satellite tracking reveals variable seasonal migration strategies of basking sharks in the north-east Atlantic

Long-term satellite tracking reveals variable seasonal migration strategies of basking sharks in the north-east Atlantic

Published on 20. February 2017 Long-term satellite tracking reveals variable seasonal migration strategies of basking sharks in the north-east Atlantic P. D. Doherty, J. M. Baxter, F. R. Gell, B. J. Godley, R. T. Graham, G. Hall, J. Hall, L. A. Hawkes, S. M. Henderson, L. Johnson, C. Speedie, M. J. Witt ABSTRACT: Animal migration

Resetting predator baselines in coral reef ecosystems

Resetting predator baselines in coral reef ecosystems

Published on 21. February 2017 Resetting predator baselines in coral reef ecosystems Darcy Bradley, Eric Conklin, Yannis P. Papastamatiou, Douglas J. McCauley, Kydd Pollock, Amanda Pollock, Bruce E. Kendall, Steven D. Gaines, Jennifer E. Caselle ABSTRACT: What did coral reef ecosystems look like before human impacts became pervasive? Early efforts to reconstruct baselines resulted in

Towards sustainable fishery management for skates in South America

Towards sustainable fishery management for skates in South America

Published on 16. February 2017 Towards sustainable fishery management for skates in South America: The genetic population structure of Zearaja chilensis and Dipturus trachyderma (Chondrichthyes, Rajiformes) in the south-east Pacific Ocean Carolina Vargas-Caro, Carlos Bustamante, Michael B. Bennett, Jennifer R. Ovenden ABSTRACT: The longnose skates (Zearaja chilensis and Dipturus trachyderma) are the main component of

Semi-automated software for dorsal fin photographic identification of marine species: Carcharodon carcharias

Semi-automated software for dorsal fin photographic identification of marine species: Carcharodon carcharias

Published on 21. January 2017 Semi-automated software for dorsal fin photographic identification of marine species: application to Carcharodon carcharias S. Andreotti, P. Holtzhausen, M. Rutzen, M. Meÿer, S. van der Walt, B. Herbst, C. A. Matthee ABSTRACT: When dealing with large marine species, individual photographic identification plays a very important part in capture–mark–recapture studies. The

The contemporary economic value of elasmobranchs in The Bahamas

The contemporary economic value of elasmobranchs in The Bahamas

Published on 30. January 2017 The contemporary economic value of elasmobranchs in The Bahamas: Reaping the rewards of 25 years of stewardship and conservation Andrea R. Haas, Tony Fedler, Edward J. Brooks ABSTRACT: Elasmobranch populations in The Bahamas offer a unique juxtaposition to the widespread decline of many species around the world, largely due to

Bright spots of sustainable shark fishing

Bright spots of sustainable shark fishing

Published on 06. February 2017 Bright spots of sustainable shark fishing Colin A. Simpfendorfer, Nicholas K. Dulvy SUMMARY: Sharks, rays and chimeras (class Chondrichthyes; herein ‘sharks’) today face possibly the largest crisis of their 420 million year history. Tens of millions of sharks are caught and traded internationally each year, many populations are overfished to

Assessing the effectiveness of a large marine protected area for reef shark conservation

Assessing the effectiveness of a large marine protected area for reef shark conservation

Published online 31 January 2017 Assessing the effectiveness of a large marine protected area for reef shark conservation Timothy D. White, Aaron B. Carlisle, David A. Kroodsma, Barbara A. Block, Renato Casagrandi, Giulio A. De Leo, Marino Gatto, Fiorenza Micheli, Douglas J. McCauley ABSTRACT: Large marine protected areas (MPAs) have recently been established throughout the

Improving the Conservation of Mediterranean Chondrichthyans

Improving the Conservation of Mediterranean Chondrichthyans

Published on 20 January 2017 Improving the Conservation of Mediterranean Chondrichthyans: The ELASMOMED DNA Barcode Reference Library Alessia Cariani, Silvia Messinetti, Alice Ferrari, Marco Arculeo, Juan J. Bonello, Leanne Bonnici, Rita Cannas, Pierluigi Carbonara, Alessandro Cau, Charis Charilaou, Najib El Ouamari, Fabio Fiorentino, Maria Cristina Follesa, Germana Garofalo, Daniel Golani, Ilaria Guarniero, Robert Hanner, Farid

Philopatry and Regional Connectivity of the Great Hammerhead Shark in the U.S. and Bahamas

Philopatry and Regional Connectivity of the Great Hammerhead Shark in the U.S. and Bahamas

Published on 20 January 2017 Philopatry and Regional Connectivity of the Great Hammerhead Shark, Sphyrna mokarran in the U.S. and Bahamas Tristan L. Guttridge, Maurits P. M. Van Zinnicq Bergmann, Chris Bolte, Lucy A. Howey, Jean S. Finger, Steven T. Kessel, Jill L. Brooks, William Winram, Mark E. Bond, Lance K. B. Jordan, Rachael C.

Bioaccumulation and biomagnification of mercury and methylmercury in four sympatric coastal sharks

Bioaccumulation and biomagnification of mercury and methylmercury in four sympatric coastal sharks

Published online on 20 January 2017 Bioaccumulation and biomagnification of mercury and methylmercury in four sympatric coastal sharks in a protected subtropical lagoon Adam G. Matulik, David W. Kerstetter, Neil Hammerschlag, Timothy Divoll, Chad R. Hammerschmidt, David C. Evers ABSTRACT: Mercury bioaccumulation is frequently observed in marine ecosystems, often with stronger effects at higher trophic

Switch from sexual to parthenogenetic reproduction in a zebra shark

Switch from sexual to parthenogenetic reproduction in a zebra shark

Published on 16 January 2017 Switch from sexual to parthenogenetic reproduction in a zebra shark Christine L. Dudgeon, Laura Coulton, Ren Bone, Jennifer R. Ovenden, Severine Thomas ABSTRACT: Parthenogenesis is a natural form of asexual reproduction in which embryos develop in the absence of fertilisation. Most commonly found in plants and invertebrate organisms, an increasing

Plastic debris straps on threatened blue shark

Plastic debris straps on threatened blue shark

Published online on 12 January 2017 Plastic debris straps on threatened blue shark Prionace glauca Ana I. Colmenero, Claudio Barría, Elisabetta Broglio, Salvador García-Barcelona ABSTRACT: Juveniles of blue shark Prionace glauca caught in pelagic longlines targeting tuna and swordfish in the Atlantic Ocean and the Mediterranean Sea were found entangled with plastic straps around their

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