Results 31 to 40 of about 2,701 (193)

Migrations and habitat use of the smooth hammerhead shark (Sphyrna zygaena) in the Atlantic Ocean [PDF]

, 2018
The smooth hammerhead shark, Sphyrna zygaena, is a cosmopolitan semipelagic shark captured as bycatch in pelagic oceanic fisheries, especially pelagic longlines targeting swordfish and/or tunas.
AP Klimley, Bass AJ, BFJ Manly, Catarina C. Santos, CH Lam, D Rosa, DA Teets, DB Olson, DM Knip, E Cortés, E Cortés, ER Hoffmayer, F Mas, F Poisson, FG Carey, FJ Abascal, FJ Abascal, GC Hays, George Tserpes, H Dewar, H Levene, H Wickham, HW Lilliefors, J Fox, JA Musick, JD Stevens, JD Stevens, KM Diemer, LA Howey-Jordan, MD Camhi, MK Musyl, MK Musyl, MK Musyl, ML Domeier, MP Fay, MP Francis, MR Heithaus, MW Beck, N Hammerschlag, N Queiroz, N Queiroz, R Coelho, R Coelho, R Hilborn, RA Myers, Rui Coelho, S Bessudo, SC Clarke, SG Wilson, SJ Jorgensen, SL Petersen, V Buencuerpo   +51 more
core   +15 more sources

Characterization of the complete mitochondrial genome of the common smoothhound shark, Mustelus mustelus (Carcharhiniformes: Triakidae)

Mitochondrial DNA. Part B. Resources, 2018
We present the complete mitochondrial genome of the common smoothhound , Mustelus mustelus,which is 16,755 bp long, contains 13 protein-coding genes, 22 tRNA genes, 2 rRNA genes, and non-coding control region.
Kelvin L. Hull, Simo N. Maduna, Aletta E. Bester-van der Merwe   +2 more
doaj   +1 more source

Escamas de tubarões (Pisces: Chondrichthyes) da Formação Pirabas (Eomioceno), Pará, Brasil

Boletim do Museu Paraense Emílio Goeldi. Ciências Naturais, 2008
A falta de posicionamento estratigráfico dos fósseis de tubarões até então coletados na Formação Pirabas dificultou a utilização dos mesmos em interpretações paleoecológicas e distribuição temporal.
Samantha Florinda Cecim Carvalho de Oliveira, Peter Mann de Toledo, Sue Anne Regina Ferreira da Costa   +2 more
doaj   +1 more source

First record of albinism in the swell shark, Cephaloscyllium ventriosum (Elasmobranchii: Carcharhiniformes: Scyliorhinidae) [PDF]

Acta Ichthyologica et Piscatoria, 2017
We report the first record of albinism in the swell shark, Cephaloscyllium ventriosum (Garman, 1880). The specimen was caught off the southern part of the Baja California Peninsula, Mexico. The shark had no skin pigmentation and golden-coloured eyes. The
E.E. Becerril-García, E. Tamburin, R. González-Armas, F. Galván-Magaña   +3 more
doaj   +3 more sources

Albinismo parcial en un embrión de tiburón puntas negras, Carcharhinus limbatus (Carcharhinidae: Chondrichthyes) del Pacífico oriental

Latin American Journal of Aquatic Research, 2015
Se reporta el albinismo parcial de un embrión macho de tiburón de puntas negras, Carcharhinus limbatus, capturado en aguas costeras mexicanas del Pacífico oriental.
Francisco Sancho-Vazquez, Luis Fernando Del Moral-Flores, Oscar Uriel Mendoza-Vargas   +2 more
doaj   +1 more source

Age and growth of the smooth hammerhead shark, Sphyrna zygaena, in the Eastern Equatorial Atlantic Ocean, using vertebral sections [PDF]

, 2011
The smooth hammerhead shark Sphyrna zygaena (Sphyrnidae) is regularly caught as bycatch in pelagic longline fisheries, but is one of the least studied of all pelagic sharks.
Abramoff, Anislado-Tolentino, Anislado-Tolentino, Barker, Beamish, Branstetter, Buencuerpo, Campana, Cerrato, Chang, Chen, Clarke, Cortés, Cortés, Harry, Joana Fernandez-Carvalho, Johnson, Katsanevakis, Kimura, LaMarca, Miguel N. Santos, Parsons, Passerotti, Piercy, Piercy, Rui Coelho, Smith, Stevens, Sérgio Amorim   +28 more
core   +1 more source

Phylogenetic relationship of catshark species of the genus Scyliorhinus (Chondrichthyes, Carcharhiniformes, Scyliorhinidae) based on comparative morphology [PDF]

Zoosystematics and Evolution, 2020
The genus Scyliorhinus is part of the family Scyliorhinidae, the most diverse family of sharks and of the subfamily Scyliorhininae along with Cephaloscyllium and Poroderma.
Karla D. A. Soares, Marcelo R. de Carvalho   +1 more
doaj   +3 more sources

Phylogeny of sharks of the family Triakidae (Carcharhiniformes) and its implications for the evolution of carcharhiniform placental viviparity

Molecular Phylogenetics and Evolution, 2006
We present a study of inter- and intra-familial relationships of the carcharhiniform shark family Triakidae aimed at testing existing hypotheses of relationships for this group and at improving understanding of the evolution of reproductive traits in elasmobranchs.
Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA ( host institution ), López, J. Andrés ( author ), Ryburn, Julie A. ( author ), Fedrigo, Olivier ( author ), Naylor, Gavin J.P. ( author )   +4 more
openaire   +3 more sources

Foliculogénesis Ovárica en la Raya Marmorada, Sympterygia bonapartii (Müller & Henle, 1841) (Chondrichthyes, Rajidae) [PDF]

, 2011
Los Condrictios se han convertido en un recurso económico importante en las últimas décadas, siendo Argentina uno de los países que más explota tiburones y rayas, incluso a niveles que exceden los límites de varias especies.
Díaz Andrade, María Constanza, Estecondo, Silvia, Galíndez, Elena Juana, Lopez Cazorla, Andrea Cecilia   +3 more
core   +1 more source

A new Oligocene site with terrestrial mammals and a selachian fauna from Minqar Tibaghbagh, the western Desert of Egypt [PDF]

, 2017
A new fossil site at Minqar Tibaghbagh, east of Siwa, in the Egyptian Western Desert is described. This represents the first place in Egypt outside the Fayum Depression yielding Paleogene, terrestrial mammals.
Bosselaers, M., El-Kheir, G., Paijmans, T.M., Schulp, A., Underwood, Charlie J., Van Vliet, H.J.   +5 more
core   +4 more sources