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Fu SJ, Zhang N, Fan J. Personality and cognition: shoal size discrimination performance is related to boldness and sociability among ten freshwater fish species. Anim Cogn 2024; 27:6. [PMID: 38429558 PMCID: PMC10907435 DOI: 10.1007/s10071-024-01837-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 12/13/2023] [Accepted: 12/29/2023] [Indexed: 03/03/2024]
Abstract
Several studies have reported that animals' personalities are often correlated with individual differences in cognition. Here, we tested whether personality is related to cognition across species, focusing on 10 freshwater fishes and a task relevant for fitness, the ability to discriminate shoal size. Bolder species exhibited more 'shuttle' behavior for information sampling during shoal selection and showed high performance (HP) in the numerical discrimination than shyer species, i.e., low performance (LP) species. Species at both the high and low ends of sociability showed LP, possibly due to loosened selection pressure because of either no need to perform shoal size discrimination tasks frequently in nature for very high sociability species or decreased willingness and motivation to join and stay within shoals for very low sociability species. Notably, the numerical discrimination was sensitive to the numerical contrast ratio in LP species but not in HP species, suggesting that the numerical system used for size discrimination also varied between species. Overall, we demonstrated the interspecies relationship between personality and shoal size discrimination across fish species, suggesting an evolutionary link between numerical abilities and behavior.
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Affiliation(s)
- Shi-Jian Fu
- Laboratory of Evolutionary Physiology and Behavior, Chongqing Key Laboratory of Animal Biology, Chongqing Normal University, Chongqing, 401331, China.
| | - Na Zhang
- Laboratory of Evolutionary Physiology and Behavior, Chongqing Key Laboratory of Animal Biology, Chongqing Normal University, Chongqing, 401331, China
| | - Jie Fan
- Laboratory of Evolutionary Physiology and Behavior, Chongqing Key Laboratory of Animal Biology, Chongqing Normal University, Chongqing, 401331, China
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Mair A, Bisazza A, Dadda M, Santacà M. Shortest path choice in zebrafish (Danio rerio). Behav Processes 2024; 214:104983. [PMID: 38081441 DOI: 10.1016/j.beproc.2023.104983] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Revised: 12/06/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023]
Abstract
Many animals regularly move between different locations within their home range. During these journeys, individuals are expected to use the shortest path, because this strategy minimizes energy expenditure and reduces exposure to adverse conditions, such as predation. The ability to find the shortest distance route has been demonstrated in ants, migrating birds and a few mammals. We investigated whether a freshwater fish, Danio rerio, exhibits this ability. Small groups of zebrafish were allowed to move between the two compartments of their tank using two paths differing in length. They developed a preference for the shorter path gradually over the six days of the experiment. Subjects' accuracy in choosing the shorter path varied from below 60%, with a 20% length disparity, to 80% when one path was twice as long as the other. In a second experiment, zebrafish were initially allowed to practice in groups and then tested individually. We found evidence of individual and sex differences in performance, with males performing more accurately than females. However, due to our experimental design, we cannot conclusively determine whether these differences are indeed cognitive or influenced by confounding factors during the group phase of the experiment.
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Affiliation(s)
- Alberto Mair
- Department of General Psychology, University of Padova, Padova, Italy
| | - Angelo Bisazza
- Department of General Psychology, University of Padova, Padova, Italy; Padua Neuroscience Center, University of Padova, Padova, Italy
| | - Marco Dadda
- Department of General Psychology, University of Padova, Padova, Italy
| | - Maria Santacà
- Department of General Psychology, University of Padova, Padova, Italy.
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Messina A, Potrich D, Perrino M, Sheardown E, Miletto Petrazzini ME, Luu P, Nadtochiy A, Truong TV, Sovrano VA, Fraser SE, Brennan CH, Vallortigara G. Quantity as a Fish Views It: Behavior and Neurobiology. Front Neuroanat 2022; 16:943504. [PMID: 35911657 PMCID: PMC9334151 DOI: 10.3389/fnana.2022.943504] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 06/10/2022] [Indexed: 11/13/2022] Open
Abstract
An ability to estimate quantities, such as the number of conspecifics or the size of a predator, has been reported in vertebrates. Fish, in particular zebrafish, may be instrumental in advancing the understanding of magnitude cognition. We review here the behavioral studies that have described the ecological relevance of quantity estimation in fish and the current status of the research aimed at investigating the neurobiological bases of these abilities. By combining behavioral methods with molecular genetics and calcium imaging, the involvement of the retina and the optic tectum has been documented for the estimation of continuous quantities in the larval and adult zebrafish brain, and the contributions of the thalamus and the dorsal-central pallium for discrete magnitude estimation in the adult zebrafish brain. Evidence for basic circuitry can now be complemented and extended to research that make use of transgenic lines to deepen our understanding of quantity cognition at genetic and molecular levels.
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Affiliation(s)
- Andrea Messina
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Davide Potrich
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Matilde Perrino
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
| | - Eva Sheardown
- Centre for Developmental Neurobiology, Institute of Psychiatry, Psychology and Neuroscience, New Hunt’s House, Kings College London, London, United Kingdom
| | | | - Peter Luu
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Anna Nadtochiy
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Thai V. Truong
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Valeria Anna Sovrano
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
- Department of Psychology and Cognitive Science, University of Trento, Rovereto, Italy
| | - Scott E. Fraser
- Michelson Center for Convergent Bioscience, University of Southern California, Los Angeles, CA, United States
| | - Caroline H. Brennan
- School of Biological and Behavioral Sciences, Queen Mary University of London, London, United Kingdom
| | - Giorgio Vallortigara
- Centre for Mind/Brain Sciences, University of Trento, Rovereto, Italy
- *Correspondence: Giorgio Vallortigara,
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