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Examining individual behavioural variation in wild adult bull sharks (Carcharhinus leucas) suggests divergent personalities.

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Title: Examining individual behavioural variation in wild adult bull sharks (Carcharhinus leucas) suggests divergent personalities.
Authors: Vignaud, Thomas M. (AUTHOR), Meyer, Carl G. (AUTHOR), Séguigne, Clémentine (AUTHOR), Bierwirth, Jan (AUTHOR), Clua, Eric E.G. (AUTHOR)
Source: Behaviour. 2023, Vol. 160 Issue 11, p1283-1301. 19p.
Subjects: Sharks, Animal species, Personality, Adults, Bashfulness
Abstract: Although many animal species demonstrate individual personalities, studying these traits in wild sharks has proven challenging. Past research focused mainly on captive or juvenile sharks. Our ethological study of 31 wild adult bull sharks (Carcharhinus leucas) utilized an artificial provisioning site, amassing 2813 observations over 651 dives from October 2015 to January 2018 (27 months). Behavioural traits, including boldness-shyness and aggressiveness-placidity, were assessed using an ad hoc ethogram and an influencing factors table. This innovative approach not only allowed us to characterize individual shark behaviours but also to quantify their changes over time. Our findings suggest that adult bull sharks likely possess distinct personalities, spanning from extreme shyness to pronounced boldness, with varying levels of plasticity among individuals. Further exploration of shark personalities holds promise for advancing our comprehension of human–shark interactions and refining the management of potential aggressive behaviours exhibited by large shark species toward humans. [ABSTRACT FROM AUTHOR]
Copyright of Behaviour is the property of Brill Academic Publishers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Examining individual behavioural variation in wild adult bull sharks (Carcharhinus leucas) suggests divergent personalities.
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  Data: <searchLink fieldCode="AR" term="%22Vignaud%2C+Thomas M%2E%22">Vignaud, Thomas M.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Meyer%2C+Carl G%2E%22">Meyer, Carl G.</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Séguigne%2C+Clémentine%22">Séguigne, Clémentine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Bierwirth%2C+Jan%22">Bierwirth, Jan</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Clua%2C+Eric E%2EG%2E%22">Clua, Eric E.G.</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Behaviour%22">Behaviour</searchLink>. 2023, Vol. 160 Issue 11, p1283-1301. 19p.
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  Data: <searchLink fieldCode="DE" term="%22Sharks%22">Sharks</searchLink><br /><searchLink fieldCode="DE" term="%22Animal+species%22">Animal species</searchLink><br /><searchLink fieldCode="DE" term="%22Personality%22">Personality</searchLink><br /><searchLink fieldCode="DE" term="%22Adults%22">Adults</searchLink><br /><searchLink fieldCode="DE" term="%22Bashfulness%22">Bashfulness</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Although many animal species demonstrate individual personalities, studying these traits in wild sharks has proven challenging. Past research focused mainly on captive or juvenile sharks. Our ethological study of 31 wild adult bull sharks (Carcharhinus leucas) utilized an artificial provisioning site, amassing 2813 observations over 651 dives from October 2015 to January 2018 (27 months). Behavioural traits, including boldness-shyness and aggressiveness-placidity, were assessed using an ad hoc ethogram and an influencing factors table. This innovative approach not only allowed us to characterize individual shark behaviours but also to quantify their changes over time. Our findings suggest that adult bull sharks likely possess distinct personalities, spanning from extreme shyness to pronounced boldness, with varying levels of plasticity among individuals. Further exploration of shark personalities holds promise for advancing our comprehension of human–shark interactions and refining the management of potential aggressive behaviours exhibited by large shark species toward humans. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Behaviour is the property of Brill Academic Publishers and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1163/1568539X-bja10244
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        Text: English
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      – SubjectFull: Personality
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      – SubjectFull: Bashfulness
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            – D: 01
              M: 11
              Text: 2023
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