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      Occurrence of a juvenile white shark (Carcharodon carcharias) in the southeastern Gulf of California, Mexico

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          Abstract

          ABSTRACT Records of white sharks (Carcharodon carcharias) sightings or captures from the southern Gulf of California have been poorly documented and anecdotal evidence is limited. Even rarer is the event of a juvenile in subtropical waters. In the present paper, we report the capture of a juvenile female white shark taken in the lower Gulf of California, which represents an important contribution among the connectivity between individuals from California, United States and the Gulf of California, Mexico.

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          Transoceanic migration, spatial dynamics, and population linkages of white sharks.

          The large-scale spatial dynamics and population structure of marine top predators are poorly known. We present electronic tag and photographic identification data showing a complex suite of behavioral patterns in white sharks. These include coastal return migrations and the fastest known transoceanic return migration among swimming fauna, which provide direct evidence of a link between widely separated populations in South Africa and Australia. Transoceanic return migration involved a return to the original capture location, dives to depths of 980 meters, and the tolerance of water temperatures as low as 3.4 degrees C. These findings contradict previous ideas that female white sharks do not make transoceanic migrations, and they suggest natal homing behavior.
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            Migration and habitat of white sharks (Carcharodon carcharias) in the eastern Pacific Ocean

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              Movements, behavior and habitat preferences of juvenile white sharks Carcharodon carcharias in the eastern Pacific

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                lajar
                Latin american journal of aquatic research
                Lat. Am. J. Aquat. Res.
                Pontificia Universidad Católica de Valparaíso. Facultad de Recursos Naturales. Escuela de Ciencias del Mar (Valparaíso, , Chile )
                0718-560X
                November 2017
                : 45
                : 5
                : 1059-1063
                Affiliations
                [2] Ciudad del Carmen orgnameCentro Regional de Investigaciones Pesqueras orgdiv1Instituto Nacional de Pesca y Acuacultura Mexico
                [1] Mazatlán orgnameUniversidad Autónoma de Sinaloa orgdiv1Facultad de Ciencias del Mar Mexico
                Article
                S0718-560X2017000501059
                10.3856/vol45-issue5-fulltext-21
                e1e19e69-06be-44d0-8793-e9d08ca485dd

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 24 October 2016
                : 26 June 2017
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 26, Pages: 5
                Product

                SciELO Chile


                Carcharodon carcharias,great white shark,incidental catch,Gulf of California

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