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Impact of intraspecific variation in teleost fishes: aggression, dominance status and stress physiology
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Cell Biology, Research group Svante Winberg.ORCID iD: 0000-0003-4252-3144
Univ Gothenburg, Dept Biol & Environm Sci, POB 463, S-40531 Gothenburg, Sweden..ORCID iD: 0000-0001-9787-3948
2022 (English)In: Journal of Experimental Biology, ISSN 0022-0949, E-ISSN 1477-9145, Vol. 225, no 20, article id jeb169250Article, review/survey (Refereed) Published
Abstract [en]

Dominance-based social hierarchies are common among teleost fishes. The rank of an animal greatly affects its behaviour, physiology and development. The outcome of fights for social dominance is affected by heritable factors and previous social experience. Divergent stress-coping styles have been demonstrated in a large number of teleosts, and fish displaying a proactive coping style have an advantage in fights for social dominance. Coping style has heritable components, but it appears to be largely determined by environmental factors, especially social experience. Agonistic behaviour is controlled by the brain's social decision-making network, and its monoaminergic systems play important roles in modifying the activity of this neuronal network. In this Review, we discuss the development of dominance hierarchies, how social rank is signalled through visual and chemical cues, and the neurobiological mechanisms controlling or correlating with agonistic behaviour. We also consider the effects of social interactions on the welfare of fish reared in captivity.

Place, publisher, year, edition, pages
The Company of Biologists , 2022. Vol. 225, no 20, article id jeb169250
Keywords [en]
Behaviour, Boldness, Aggression, Stress coping style, Personality, Plasticity, Welfare
National Category
Zoology Behavioral Sciences Biology
Identifiers
URN: urn:nbn:se:uu:diva-498511DOI: 10.1242/jeb.169250ISI: 000929522600001PubMedID: 36281719OAI: oai:DiVA.org:uu-498511DiVA, id: diva2:1744330
Available from: 2023-03-17 Created: 2023-03-17 Last updated: 2023-03-17Bibliographically approved

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