Publications

An alternative approach applied to the blue shark stock in the south Atlantic Ocean

An alternative approach applied to the blue shark stock in the south Atlantic Ocean

Published online on 14. March 2014 Incorporating specific change points in catchability in fisheries stock assessment models: An alternative approach applied to the blue shark (Prionace glauca) stock in the south Atlantic Ocean Felipe Carvalho, Robert Ahrens, Debra Murie, José M. Ponciano, Alexandre Aires-da-Silva, Mark N. Maunder, Fábio Hazin ABSTRACT: Fishermen frequently switch their target

Population density and abundance of basking sharks in the lower Bay of Fundy, Canada

Population density and abundance of basking sharks in the lower Bay of Fundy, Canada

Published online on 10. March 2014 Population density and abundance of basking sharks Cetorhinus maximus in the lower Bay of Fundy, Canada Andrew J. Westgate, Heather N. Koopman, Zach A. Siders, Sarah N. P. Wong, Robert A. Ronconi ABSTRACT: The conservation status of basking sharks Cetorhinus maximus in eastern Canadian waters is not clearly understood,

Complementary redescription of Anacanthobatis ori and its assignment to Indobatis n. g.

Complementary redescription of Anacanthobatis ori and its assignment to Indobatis n. g.

Published on 14. March 2014 Complementary redescription of Anacanthobatis ori (Wallace, 1967) and its assignment to Indobatis n. g. (Elasmobranchii, Anacanthobatidae), with comments on other legskates Simon Weigmann, Matthias F.W. Stehmann & Ralf Thiel ABSTRACT : Anacanthobatis ori is one of the least known species of the family Anacanthobatidae with only four juvenile specimens reported.

A new fossil megamouth shark from the Oligocene-Miocene of the western United States

A new fossil megamouth shark from the Oligocene-Miocene of the western United States

Published online on 04. March 2014 A new fossil megamouth shark (Lamniformes, Megachasmidae) from the Oligocene-Miocene of the western United States Kenshu Shimada, Bruce J. Welton, Douglas J. Long ABSTRACT: The extant megamouth shark, Megachasma pelagios (Lamniformes: Megachasmidae), is a large filter-feeding fish. We here describe a new species of Megachasma, M. applegatei, sp. nov.,

Ecological importance of sharks and rays in a structural foodweb analysis in southern Brazil

Ecological importance of sharks and rays in a structural foodweb analysis in southern Brazil

Published online on 05. March 2014 Ecological importance of sharks and rays in a structural foodweb analysis in southern Brazil Hugo Bornatowski, Andrés Felipe Navia, Raul Rennó Braga, Vinícius Abilhoa, Marco Fábio Maia Corrêa ABSTRACT: Understanding the trophic interactions and the position of species within a foodweb is crucial if we want to understand the

Molecular contribution to stock identification in the small-spotted catshark

Molecular contribution to stock identification in the small-spotted catshark

Published online on 04. March 2014 Molecular contribution to stock identification in the small-spotted catshark, Scyliorhinus canicula (Chondrichthyes, Scyliorhinidae) M. Barbieri, F. Maltagliati, M.I. Roldán, A. Castelli ABSTRACT: The small-spotted catshark Scyliorhinus canicula is a small demersal chondrichthyan distributed on continental shelf and uppermost slope waters of the Mediterranean Sea and north eastern Atlantic Ocean.

A comparison of age and growth of the Bering skate from two Alaskan large marine ecosystems

A comparison of age and growth of the Bering skate from two Alaskan large marine ecosystems

Published online on 03. March 2014 A comparison of age and growth of the Bering skate, Bathyraja interrupta ( Gill and Townsend, 1897), from two Alaskan large marine ecosystems Shaara M. Ainsley, David A. Ebert, Lisa J. Natanson, Gregor M. Cailliet ABSTRACT: The Bering skate, Bathyraja interrupta, is commonly found in both the Bering Sea

Bycatch species composition over time by tuna fishery in the Atlantic Ocean

Bycatch species composition over time by tuna fishery in the Atlantic Ocean

Published online on 01. March 2014 Bycatch species composition over time by tuna purse-seine fishery in the eastern tropical Atlantic Ocean Edgar Torres-Irineo, Monin Justin Amandè, Daniel Gaertner, Alicia Delgado de Molina, Hilario Murua, Pierre Chavance, Javier Ariz, Jon Ruiz, Nerea Lezama-Ochoa ABSTRACT: Within the Ecosystem-based fisheries management framework, we evaluated the changes over time

Morphometric Discriminant Analysis of isolated chondrichthyan scales for palaeoecological inferences

Morphometric Discriminant Analysis of isolated chondrichthyan scales for palaeoecological inferences

Published online on 25. February 2014 Morphometric Discriminant Analysis of isolated chondrichthyan scales for palaeoecological inferences: the Middle Triassic of the Iberian Chain (Spain) as a case of study H. Ferrón, C. Pla, C. Martínez-Pérez, M.J. Escudero-Mozo, H. Botella ABSTRACT: Palaeontological studies on exosqueletal disarticulated remains of chondrichthyans have focused on teeth and only less

Report on first recorded Shark Attack in Uruguay – Jan 2004

Report on first recorded Shark Attack in Uruguay – Jan 2004

FIRST RECORD OF SHARK ATTACK IN URUGUAY Pablo Meneses (1), José Eduardo García Sánchez (2), Carlos M. Prigioni (3) & Ricardo Rodríguez Mazzini (4) 1) pmeneses@montevideo.com.uy  , 2) Dirección Nacional de Aduanas – Rocha , 3) Museo Nacional de Historia Natural, Montevideo,4) Centro Universitario de la Región Este (CURE). Maldonado. – On January 23, 2004 there was

Demography and ecology of blue shark in the central North Atlantic

Demography and ecology of blue shark in the central North Atlantic

Published online on 19. February 2014 Demography and ecology of blue shark (Prionace glauca) in the central North Atlantic Frederic Vandeperre, Alexandre Aires-da-Silva, Marco Santos, Rogerio Ferreira, Alan B. Bolten, Ricardo Serrao Santos, Pedro Afonso ABSTRACT: In the North Atlantic, blue shark has become an important by-catch species for the pelagic swordfish fisheries, and even

Characterizing and predicting essential habitat features for juvenile coastal sharks

Characterizing and predicting essential habitat features for juvenile coastal sharks

Published on 19. February 2014 Characterizing and predicting essential habitat features for juvenile coastal sharks Christine A. Ward-Paige, Gregory L. Britten, Dana M. Bethea, John K. Carlson ABSTRACT: The successful management of shark populations requires juvenile recruitment success. Thus, conservation initiatives now strive to include the protection of areas used by pre-adult sharks in order

A new species of freshwater stingray from the upper Madeira River system

A new species of freshwater stingray from the upper Madeira River system

Published on 18. February 2014 Potamotrygon limai, sp. nov., a new species of freshwater stingray from the upper Madeira River system, Amazon basin (Chondrichthyes: Potamotrygonidae) JOÃO PEDRO FONTENELLE, JOÃO PAULO C. B. DA SILVA & MARCELO R. DE CARVALHO ABSTRACT: Potamotrygon limai, sp. nov., is described from the Jamari River, upper Madeira River system (Amazon

Unexpected Headless and Tailless Fish in the Stomach Content of Shortfin Mako

Unexpected Headless and Tailless Fish in the Stomach Content of Shortfin Mako

Published on 12. February 2014 Unexpected Headless and Tailless Fish in the Stomach Content of Shortfin Mako Isurus oxyrinchus Sebastián Biton Porsmoguer, Daniela Bănaru, Philippe Béarez, Ivan Dekeyser, Manuel Merchán Fornelino, Charles F. Boudouresque ABSTRACT: The stomach content of 113 individuals of shortfin mako Isurus oxyrinchus was analyzed. Individuals were sampled at landing in Vigo

Population dynamics of the reef manta ray in eastern Australia

Population dynamics of the reef manta ray in eastern Australia

Published online in February 2014 Population dynamics of the reef manta ray Manta alfredi in eastern Australia L. I. E. Couturier, C. L. Dudgeon, K. H. Pollock, F. R. A. Jaine, M. B. Bennett, K. A. Townsend, S. J. Weeks, A. J. Richardson ABSTRACT: The reef manta ray Manta alfredi aggregates at several sites along