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dc.contributor.author
de Wysiecki, Agustín María
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dc.contributor.author
Trobbiani, Gastón Andres
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dc.contributor.author
Irigoyen, Alejo Joaquin
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dc.date.available
2021-07-05T18:05:09Z
dc.date.issued
2020-10-30
dc.identifier.citation
de Wysiecki, Agustín María; Trobbiani, Gastón Andres; Irigoyen, Alejo Joaquin; Backing up from negative stimuli: A back-thrust mechanism during escape-like response in wild sevengill sharks (Notorynchus cepedianus); Wiley Blackwell Publishing, Inc; Ethology; 127; 2; 30-10-2020; 202-212
dc.identifier.issn
0179-1613
dc.identifier.uri
http://hdl.handle.net/11336/135478
dc.description.abstract
Broadnose sevengill sharks (Notorynchus cepedianus) show great interest for bait and display arepertoire of movements while engaging with it. A novel back-thrust mechanism is described in wild sevengill sharks by which individuals back up from a negative stimulus while interacting with baited video stations. This mechanism initiates upon head contact with the device that functions as a negative stimulus eliciting a startle escape-like response. By heavily flipping pectoral fins and curving the body, sharks increase hydrodynamic resistance, backing up from the negative stimulus. Once backed up, sharks performed the common C-shaped double-bend escape maneuver described for sharks. Sharks also used the same back-thrust mechanism as a repositioning maneuver, but not as part of a startle response. The quantification of the turning rate indicated context-dependent variation in velocity and confirmed that the majority of withdrawals corresponded to slow escape- like motions. In general, an elongated body and individual flipping control of pectoral fins allowed for great maneuverability and lateral flexure. Sharks exhibited great tolerance to one another during double and triple encounters. The implications for grouping and social hunting of the species are briefly discussed based on past evidence and the movement behavior, gregarious interactions and body markings observed in the present study. This work highlights the importance of studies in the natural environment, and the use of complementary approaches to investigate the broader range of locomotor aspects of different shark species.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Wiley Blackwell Publishing, Inc
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dc.rights
info:eu-repo/semantics/restrictedAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
APEX PREDATOR
dc.subject
KINEMATICS
dc.subject
LATERAL FLEXURE
dc.subject
LOCOMOTION
dc.subject
MANEUVERABILITY
dc.subject
NOTORYNCHUS CEPEDIANUS
dc.subject.classification
Otros Tópicos Biológicos
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dc.subject.classification
Ciencias Biológicas
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dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
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dc.title
Backing up from negative stimuli: A back-thrust mechanism during escape-like response in wild sevengill sharks (Notorynchus cepedianus)
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2020-12-04T14:46:06Z
dc.identifier.eissn
1439-0310
dc.journal.volume
127
dc.journal.number
2
dc.journal.pagination
202-212
dc.journal.pais
Reino Unido
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dc.journal.ciudad
Londres
dc.description.fil
Fil: de Wysiecki, Agustín María. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Trobbiani, Gastón Andres. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.description.fil
Fil: Irigoyen, Alejo Joaquin. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico. Centro para el Estudio de Sistemas Marinos; Argentina
dc.journal.title
Ethology
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dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://onlinelibrary.wiley.com/doi/10.1111/eth.13104
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/https://doi.org/10.1111/eth.13104
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