Scientific Papers

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

Western Australian Coastal Shark Bites: A risk assessment

Western Australian Coastal Shark Bites: A risk assessment

Published online on 06. February 2014 Western Australian Coastal Shark Bites: A risk assessment Peter Sprivulis ABSTRACT: Background As Western Australia’s (WA) Government enacts shark bite mitigation, the personal risk of shark bite in WA has not been studied. Aims Model the risk of large (>3m) white shark bite (Carcharodon carcharias, LWS) in southwest WA.

Experimental Evaluation of Shark Detection Rates by Aerial Observers

Experimental Evaluation of Shark Detection Rates by Aerial Observers

Published on 03. February 2014 Experimental Evaluation of Shark Detection Rates by Aerial Observer William D. Robbins, Victor M. Peddemors, Steven J. Kennelly, Matthew C. Ives ABSTRACT: Aerial surveys are a recognised technique to identify the presence and abundance of marine animals. However, the capability of aerial observers to reliably sight coastal sharks has not

Habitat, movements and environmental preferences of dusky sharks in the northern Gulf of Mexico

Habitat, movements and environmental preferences of dusky sharks in the northern Gulf of Mexico

Published in January 2014 Habitat, movements and environmental preferences of dusky sharks, Carcharhinus obscurus, in the northern Gulf of Mexico Eric R. Hoffmayer, James S. Franks, William B. Driggers III, Jennifer A. McKinney, Jill M. Hendon, Joseph M. Quattro ABSTRACT : The dusky shark (Carcharhinus obscurus) is the largest member of the genus Carcharhinus and

Physiological stress response, reflex impairment, and survival of five sympatric shark species

Physiological stress response, reflex impairment, and survival of five sympatric shark species

Published online on 27. January 2014 Physiological stress response, reflex impairment, and survival of five sympatric shark species following experimental capture and release A. J. Gallagher, J. E. Serafy, S. J. Cooke, N. Hammerschlag ABSTRACT: In many fisheries, some component of the catch is usually released. Quantifying the effects of capture and release on fish

Importance of environmental and biological drivers in the presence and space use of a reef‑associated shark

Importance of environmental and biological drivers in the presence and space use of a reef‑associated shark

Published online on 27. January 2014 Importance of environmental and biological drivers in the presence and space use of a reef‑associated shark M. R. Heupel, C. A. Simpfendorfer ABSTRACT: As coral reef ecosystems come under increasing pressure from fisheries and climate change, understanding how species that rely on these habitats respond to changes within their

Observations on Abundance of Bluntnose Sixgill Sharks in an Urban Waterway in Puget Sound

Observations on Abundance of Bluntnose Sixgill Sharks in an Urban Waterway in Puget Sound

Published on 27. January 2014 Observations on Abundance of Bluntnose Sixgill Sharks, Hexanchus griseus, in an Urban Waterway in Puget Sound, 2003-2005 Denise Griffing, Shawn Larson, Joel Hollander, Tim Carpenter, Jeff Christiansen, Charles Doss ABSTRACT: The bluntnose sixgill shark, Hexanchus griseus, is a widely distributed but poorly understood large, apex predator. Anecdotal reports of diver-shark

Pectoral Fin of the Megamouth Shark

Pectoral Fin of the Megamouth Shark

Published on 21. January 2014 Pectoral Fin of the Megamouth Shark: Skeletal and Muscular Systems, Skin Histology, and Functional Morphology Taketeru Tomita, Sho Tanaka, Keiichi Sato, Kazuhiro Nakaya ABSTRACT: This is the first known report on the skeletal and muscular systems, and the skin histology, of the pectoral fin of the rare planktivorous megamouth shark

Vitamin C and E concentrations in muscle of elasmobranch and teleost fish

Vitamin C and E concentrations in muscle of elasmobranch and teleost fish

Published online on 25. January 2014 Vitamin C and E concentrations in muscle of elasmobranch and teleost fish Marcela Vélez-Alavez, Lía C. Méndez-Rodriguez, Juan A. De Anda Montañez, C. Humberto Mejía, Felipe Galván-Magaña, Tania Zenteno-Savín ABSTRACT: In fish, vitamins are part of the first line of the antioxidant defense, they are directly related to stress