Published on 24. February 2011. Marcelo R. de Carvalho, Nathan R. Lovejoy ABSTRACT: The morphology and phylogenetic relationships of a new genus and two new species of Neotropical freshwater stingrays, family Potamotrygonidae, are investigated and described in detail. The new genus, Heliotrygon, n. gen., and its two new species, Heliotrygon gomesi, n. sp. (type-species) and
Published on 23. February 2011. Campana SE, Dorey A, Fowler M, Joyce W, Wang Z, et al. ABSTRACT: The blue shark Prionace glauca is the most abundant large pelagic shark in the Atlantic Ocean. Although recaptures of tagged sharks have shown that the species is highly migratory, migration pathways towards the overwintering grounds remain poorly
Published on 10. February 2011. ANDERSON, R. C., ADAM, M. S. and GOES, J. I. ABSTRACT: The Republic of Maldives in the central Indian Ocean is home to large numbers of manta rays, Manta alfredi. They are known to undertake seasonal migrations within the Maldives, but these movements have not been well documented. The aims
Published on 07. February 2011. Jonathan H. Walsh, David A. Ebert, Leonard J.V. Compagno. ABSTRACT: A new species of angel shark, Squatina caillieti sp. nov., is described from a single specimen collected in deepwater off Luzon in the Philippines. The new species is closest to S. formosa and S. nebulosa, but differs from its congeners
Published on 27. January 2011. Juerg M. Brunnschweiler, Harald Baensch. ABSTRACT: Shark tourism has become increasingly popular, but remains controversial because of major concerns originating from the need of tour operators to use bait or chum to reliably attract sharks. We used direct underwater sampling to document changes in bull shark Carcharhinus leucas relative abundance
Published on 27. January 2011 Neil Hammerschlag, Austin J. Gallagher, Dominique M. Lazarre, Curt Slonim. ABSTRACT: We provide pilot data from a satellite-tracked great hammerhead shark Sphyrna mokarran in the Atlantic, representing the first such data on this species in the literature. The 250 cm shark was tagged off the coast of the middle-Florida Keys
Jan 27, 2011 The Future of Sharks by PEW / TRAFFIC The 10-year anniversary of the adoption of the International Plan of Action for the Conservation and Management of Sharks (IPOA-Sharks) by the FAO Committee on Fisheries (COFI) is an opportune time to reflect on global progress in managing shark fisheries. The members of COFI
Published on 26. January 2011 James D. S. Knuckey, David A. Ebert and George H. Burgess. ABSTRACT: A new species of deepwater lanternshark, Etmopterus joungi n. sp., is described from the deep waters off north-eastern Taiwan. The new species is similar to other species of the “Etmopterus pusillus group” in having concave, flattened dermal denticles
Published online: 20 JAN 2011 Michael Alexander Rtshiladze, Sean Peter Andersen, Dai Quoc Anh Nguyen, Anthony Grabs, Kevin Ho. ABSTRACT: Background: There were 59 unprovoked shark attacks worldwide in 2008. Twelve of these occurred in Australia, ranking it as second only to the USA. In February 2009, two attacks occurred within 72 h in Sydney, Australia.
Published: 18 January 2011 Yasuko Semba , Ichiro Aoki and Kotaro Yokawa . ABSTRACT: Shortfin mako, Isurus oxyrinchus, is a highly migratory shark with a worldwide distribution. Despite recent global concern and intensive ecological studies on this species, little is known about its reproduction, owing to a paucity of information on mature females. We investigated
Published: 18 January 2011 E. Sommerville , M. E. Platell , W. T. White , A. A. Jones and I. C. Potter ABSTRACT: The present study has tested statistically the hypothesis that the diets of four abundant and co-occurring elasmobranch species differ and change with body size and season and has determined the extent of
Fort Lauderdale, FL (PRWEB) June 16, 2011 Guy Harvey, Chairman of Guy Harvey Outpost Resorts, underscores need for clear policy prohibiting the landing of sharks at a Shark Free Marina. Conservation and marine science authority Dr. Guy Harvey, Chairman of Guy Harvey Outpost LTD., announced today that a photographic image of a Mako shark, taken
Online map will show locations of live releases Press Release by the NOAA, May 25, 2011. NOAA’s Fisheries Service today launched a voluntary program to encourage commercial and recreational fishermen to safely release Atlantic shortfin mako sharks alive and report the releases to NOAA for posting on an online map. The new program is designed
Published on 15. January 2011 José I. Castro ABSTRACT: The smalltail shark, Carcharhinus porosus Ranzani, 1840, is a small shark that inhabits the western North Atlantic Ocean from the Gulf of Mexico to Brazil. Carcharhinus cerdale Gilbert, in Jordan and Evermann, 1898, is a small shark that inhabits the eastern Pacific from the Gulf of
Published on 15. January 2011 Eugenie Clark and John E. Randall ABSTRACT: Cephaloscyllium stevensi n. sp., is described from five adult specimens (445-660 mm TL) taken in a Nautilus trap set in 240-274 m off eastern Papua New Guinea. It is distinguished from its similar congener, C. speccum Last, Séret & White, from off north-western