Results 31 to 40 of about 787 (184)
DNA barcoding reveals the diversity of sharks in Guyana coastal markets
A fundamental challenge for both sustainable fisheries and biodiversity protection in the Neotropics is the accurate determination of species identity. The biodiversity of the coastal sharks of Guyana is poorly understood, but these species are subject ...
Matthew A. Kolmann +3 more
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Parturition time for the Blacktip shark, Carcharhinus limbatus (Carcharhiniformes: Carcharhinidae), in Southwestern Atlantic [PDF]
The determination of the period of parturition and identification of nursery areas are fundamental for the management and conservation of a fishing resource.
Jones Santander-Neto +2 more
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Feeding ecology of elasmobranch species in southeastern Brazil
The feeding ecology of five elasmobranch species was studied on the southern coast of Rio de Janeiro, southwestern Atlantic Ocean. The specimens were caught with a trawl or bottom longline between January 2006 and August 2007.
Alessandra F. Viana +2 more
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Las mandíbulas son una herramienta importante para el estudio de los elasmobranquios, tanto fósiles como actuales, las cuales difieren entre especies por su tamaño, la forma y número de dientes. Dada su relevancia, en la presente contribución se hace
Gerardo Urbán Minutti +1 more
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This study reports for the first time the presence of Rhizoprionodon terraneovae neonates in a coastal lagoon in the southeastern Gulf of Mexico. The observations suggest the presence of neonates was due to the salinity values being similar to those of ...
Armando T. Wakida-Kusunoki +2 more
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The chondrichthyan fishes, which comprise sharks, rays, and chimaeras, are one of the most threatened groups of vertebrates on the planet. Given this situation, an additional strategy for the protection of these species could be the ex situ conservation ...
Pablo García-Salinas +2 more
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Oceanic whitetip sharks Carcharhinus longimanus are a cosmopolitan epipelagic species that was once prolific throughout the tropics and subtropics but was recently listed as Critically Endangered by the International Union for the Conservation of Nature ...
Michelle S. Passerotti +2 more
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Elasmobranchs represent a well-defined group, composed of about 1,150 species inhabiting diverse aquatic environments. Currently, several of these species have been classified as threaten due to overexploitation.
Thais Martins +7 more
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Rayas y tiburones como fauna acompañante en las pesquerías de camarón: una revisión.
Se presenta una revisión sobre los elasmobranquios en la pesquería de arrastre de camarón. La fauna acompañante de camarón (FAC) está compuesta por una gran diversidad de especies en la que predominan los peces.
Alejandra Briones Bell-lloch +2 more
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