Results 1 to 10 of about 8,407 (197)
The biology and ecology of the Pacific sharpnose shark Rhizoprionodon longurio [PDF]
Ecology and Evolution, 2023 Amidst global declines in elasmobranch populations resulting predominantly from overfishing, the need to gather data regarding shark ecology is greater than ever.
Joel H. Gayford, Darren A. Whitehead
doaj +3 more sources
First record of a neonate bluntnose sixgill shark (Hexanchus griseus) from Baja California Sur, Mexico [PDF]
Ecology and EvolutionThe bluntnose sixgill shark (Hexanchus griseus) is a wide‐ranged deep‐water shark species found off continental and insular shelves. Despite its global distribution, little is known about the reproductive ecology of the species, particularly with regard ...
Darren A. Whitehead, Joel H. Gayford
doaj +3 more sources
New record of Frilled shark Chlamydoselachus anguineus Garman, 1884 (Chondrichthyes: Hexanchiformes) in the South Pacific Ocean [PDF]
PeerJFrilled sharks are rarely observed and limited information is available regarding their life history. The global number of records for these sharks does not exceed 40, with most sightings reported in the Western Pacific Ocean.
Maria J. Indurain +4 more
doaj +3 more sources
Quantifying the behavioural consequences of shark ecotourism [PDF]
Scientific Reports, 2023 Shark populations globally are facing catastrophic declines. Ecotourism has been posited as a potential solution to many of the issues facing shark conservation, yet increasingly studies suggest that such activity may negatively influence aspects of ...
Joel H. Gayford +3 more
doaj +2 more sources
, 1994 Se hace un símil comparando a los políticos corruptos con tiburones y pirañas que se comen a la sociedad y usan sus recursos en su propio ...
García Verduch, Antonio
openaire +2 more sources
Las investigaciones sobre turismo de observación de tiburones y rayas en España [PDF]
Pasos, 2011 The results of the projects “Study on Economic Benefits of Shark Diving in Canary Islands (Part I)” and “Overview and Economic Impact of the Activities of Diving with Chondrichthyan in Canary Islands” haven been recently presented.
Raquel de la Cruz Modino
exaly +2 more sources
Captura de tiburones en la region noroccidental de Cuba
Latin American Journal of Aquatic Research, 2014 Los tiburones han sido una importante fuente de alimento e ingresos en Cuba. A pesar de esto, es muy escasa la información sobre este grupo y, en las últimas décadas, no han sido objeto de una investigación organizada. De octubre 2009 a junio 2011 se recolectaron datos biológicos (229 tiburones examinados) y pesqueros en cuatro sitios de desembarque de
Consuelo Aguilar +8 more
exaly +5 more sources
Lista patrón de los tiburones, rayas y quimeras (Chondrichthyes, Elasmobranchii, Holocephali) de México [PDF]
Arxius de Miscel-lània Zoològica, 2016 Se presenta un listado anotado de las especies de tiburones, rayas y quimeras (Condrictios) que han sido registrados en las aguas territoriales de México, basado en revisiones de bases de datos, literatura, examinación física de los especímenes de ...
L. Fernando Del Moral Flores +4 more
doaj +2 more sources
Scientia Marina, 2020 The aim of this study was to assess the suitability of different vertebrae staining techniques for the visualization and counting of growth bands in tropical species of batoids (Narcine leoparda, Urotrygon aspidura, Hypanus longus, Potamotrygon ...
José G. Pérez-Rojas +4 more
doaj +1 more source