Individual differences in cortisol levels and behaviour of Senegalese sole (Solea senegalensis) juveniles: Evidence for coping styles

Silva, Patricia Isabel Mota; Martins, Catarina I.M.; Engrola, Sofía; Marino, G.; Øverli, Øyvind; Conceição, Luı́s E.C.

doi:10.1016/j.applanim.2010.01.008

Cited by 110 publications

(110 citation statements)

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“…Coping styles (or personalities, temperament, behaviour syndromes, bold/shy continuum) are one of such processes and are defined as a coherent set of behavioural and physiological stress responses which is consistent over time and which is characteristic to a certain group of individuals (Koolhaas et al, 1999). Over the past years, several studies have shown that individual variation in a range of behaviour and physiological traits in fish exposed to stress reflect divergent coping styles (Øverli et al, 2005, 2007Frost et al, 2007;Kristiansen and Ferno, 2007;Silva et al, 2010). These studies have gained increasing attention as coping styles have been shown to be key players in fish welfare (Huntingford and Adams, 2005;Huntingford et al, 1999), health and diseases susceptibility (Fevolden et al, 1992;MacKenzie et al, 2009), performance traits (Martins, 2005) and more recently for the interpretation of molecular data (MacKenzie et al, 2009).…”

Section: Introductionmentioning

confidence: 99%

“…However, to the best of our knowledge no study has ever addressed how far individual differences in resting metabolic rate reflect intra-specific coping styles. Housing in respirometry chambers implies handling and exposure to a new environment, both conditions known to be a source of stress in a variety of fish species (Martins et al, 2006;Höglund et al, 2007;Ramsay et al, 2009;Silva et al, 2010). As a consequence some individuals may exhibit a fight or flight reaction while others a freezelike reaction.…”

Section: Introductionmentioning

confidence: 99%

“…Silva et al, 2010). In either case, the results suggest that active copers, as opposed to passive copers can be behaviourally characterised by (1) actively trying to escape from a stressor (Silva et al, 2010), (2) showing higher feed motivation after transfer to a new environment (Øverli et al, 2007), (3) being more risk taking and exploratory when exposed to novelty (Øverli et al, 2006;Frost et al, 2007;MacKenzie et al, 2009) and (4) being more aggressive (dominant) during aggressive encounters (Øverli et al, 2004). In addition, active copers exhibit typical neuroendocrine responses such as (1) lower hypothalamus-pituitary-interrenal (HPI) activity (Silva et al, 2010), (2) lower HPI reactivity (Øverli et al, 2005), (3) higher sympathethic reactivity and lower parasympathetic reactivity (measured as opercular beat rate, e.g.…”

Section: Introductionmentioning

confidence: 99%

“…Øverli et al, 2002) or using the whole range of variation within a population (e.g. Silva et al, 2010). In either case, the results suggest that active copers, as opposed to passive copers can be behaviourally characterised by (1) actively trying to escape from a stressor (Silva et al, 2010), (2) showing higher feed motivation after transfer to a new environment (Øverli et al, 2007), (3) being more risk taking and exploratory when exposed to novelty (Øverli et al, 2006;Frost et al, 2007;MacKenzie et al, 2009) and (4) being more aggressive (dominant) during aggressive encounters (Øverli et al, 2004).…”

Section: Introductionmentioning

confidence: 99%

“…This species is known to exhibit coping styles (Silva et al, 2010) and to stand motionless for long periods of time minimizing the contribution of swimming activity to the measured oxygen consumption values.…”

Section: Introductionmentioning

confidence: 99%

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Individual differences in metabolism predict coping styles in fish

Martins

Castanheira

Engrola

et al. 2011

Applied Animal Behaviour Science

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a b s t r a c tStudies on metabolism usually rely on measurements of oxygen consumption obtained in respirometry chambers. Despite rigorous standardization there is still considerable interindividual variation in metabolic rates which is often ignored. Furthermore, housing in respirometry chambers implies handling and exposure to a new environment, conditions known to be a source of stress in animals. The extent of stress response is known to be dependent on an individual's coping style. Therefore, the extent of individual variation in respirometry data may be related to the expression of coping styles. The goal of this study is to determine whether the variation in oxygen consumption after a stressor is the resultant of an individual's coping style. Our approach was to determine oxygen consumption in fish immediately after transfer to respiratory chambers and during the subsequent 22 h. In addition, the same individuals were subjected to 3 respirometry runs (22 h each) to address the question whether habituation occurs when fish are used in multiple runs and whether habituation potential is linked to coping styles. The same individuals were then subjected to an acute stressor and the escape behaviour and plasma cortisol were determined to assess coping style. Taken as a whole, the findings of this study suggest that individual variation in oxygen consumption in respirometry chambers are related to the expression of coping styles: individuals with higher oxygen consumption at the start and throughout the measurement period were shown to react passively (longer latency to escape) in a confinement stress. In addition, successive respirometry runs should not be assumed to result in habituation, as depending on an individual's coping style either habituation (in the case of passive copers) or sensitization (in the case of active copers) can occur.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Individual differences in metabolism predict coping styles in fish

Martins

Castanheira

Engrola

et al. 2011

Applied Animal Behaviour Science

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Survey‐rated personality traits and experimentally measured coping style and stress reactivity, in wild baboons

Pritchard

Palombit

2022

American J Primatol

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The coping style and stress reactivity framework for individual differences in the stress response has been of increasing utility within primatological research. Such differences are often quantified using an experimental approach, but many primatological studies have historically been reliant on a personality-like framework.The personality-like research is derived from human personality literature using survey ratings, while approaches focused on coping styles are often used to interpret differences in small rodents and birds. Experimental approaches benefit from a constrained situation that facilitates control, but sacrifice utility via the generalizability afforded via ratings. Resolving how these two theoretical and methodological approaches intersect is paramount to establishing a biological synthesis between two robust fields of research on individual differences. We applied these frameworks to adult wild olive baboons (Papio anubis) at a field site in Laikipia, Kenya. We quantified coping style and stress reactivity using individually targeted field experiments. We quantified personality trait differences using observer ratings of the monkeys. We isolated three personality trait factors: Neuroticism, Assertiveness, and Friendliness. Personality trait differences showed little association with coping style, but Neuroticism was predicted by stress reactivity.

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