Duration of socialization influences responses to a mirror: responses of dominant and subordinate crayfish diverge with time of pairing

May, Holly Y.; Mercier, A. Joffre

doi:10.1242/jeb.011288

Cited by 14 publications

(19 citation statements)

References 48 publications

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“…In the present study, it was only used as further evidence that we correctly understood the hierarchy. The paired crayfish remained together in the Tupperware TM container for 3days prior to conducting any experiments on them, and no reversals in dominance status were observed, which is consistent with previous research (May and Mercier, 2006;May and Mercier, 2007).…”

Section: Crayfish Pairings and Agonistic Assessmentssupporting

confidence: 89%

“…Furthermore, after dominance ranks are established in crayfish, the frequency of agonistic encounters declines rapidly for a few hours but continues to decline slowly for a few days (Huber et al, 2000;Issa et al, 1999). Finally, responses to a reflective environment are remarkably similar between winners and losers after 30min of pairing, with both members approaching the reflection (a dominant-like behaviour), whereas responses of the losers change over 3days of continuous pairing to indicate an increase in avoidances rather than approaches (May and Mercier, 2007). Because memory plays an important role in conspecific G. J. Tattersall and others recognition (Crowley, 2001), the differences between naive and established pairs may be based on slowly developing neurophysiological differences (Fujimoto et al, 2011;Sneddon et al, 2000).…”

Section: Discussionmentioning

confidence: 91%

“…Because winners and losers are clearly distinguishable as early as 30min after adult crayfish are paired (May and Mercier, 2006;May and Mercier, 2007), we might have predicted that naive juvenile crayfish pairs would resolve conflicts over temperature and dissociate between the preferred and non-preferred temperatures within the subsequent 4 h period. Our data, however, indicate that even in the fourth hour of pairing, losing crayfish from naive pairs do not withdraw to the chamber with the nonpreferred temperature, whereas losing crayfish of established pairs do (Fig.6).…”

Section: Discussionmentioning

confidence: 99%

“…These daily viewings lasted a minimum of 5min, and in all instances, the winner had gained exclusive access to the shelter, suggesting no rank reversals. Shelter occupancy has been a useful indicator of dominance status in crayfish (Capelli and Hamilton, 1984;Fero and Moore, 2008;Fero et al, 2007;Herberholz et al, 2007;Loring and Hill, 1976;Martin and Moore, 2008;May and Mercier, 2007;Peeke et al, 1995;Ranta and Lindstrom, 1992). In the present study, it was only used as further evidence that we correctly understood the hierarchy.…”

Section: Crayfish Pairings and Agonistic Assessmentsmentioning

confidence: 96%

“…To identify the winner and loser in each pairing, the 30-min video was scored for withdrawals and avoidances, as described previously (May and Mercier, 2006;May and Mercier, 2007). A withdrawal was defined as one crayfish retreating after an encounter involving physical contact, whereas an avoidance was defined as a direction change after a head-on approach without making contact.…”

Section: Crayfish Pairings and Agonistic Assessmentsmentioning

confidence: 99%

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Thermal games in crayfish depend on establishment of social hierarchies

Tattersall

Luebbert

LePine

et al. 2012

Journal of Experimental Biology

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SUMMARYAn unequal resource distribution is commonly seen in dominance hierarchies, in which the individual with the higher status is more successful in obtaining the resource. One possible resource is preferred temperature. When situations allow, ectotherms regulate their body temperature by behaviourally selecting different environmental conditions, achieving, when possible, a preferred temperature. Using a shuttlebox, the preferred temperature for Procambarus clarkii was determined to be 23.9°C with upper and lower voluntary escape temperatures of 25.9 and 21.8°C, respectively. If this preferred temperature zone (21.8-25.9°C) was valued as a resource, given the choice between a preferred temperature and a non-preferred temperature, crayfish should compete over the preferred temperature, with the dominant individual of dyadic pairs achieving the preferred temperature more often than the subordinate. Using a dual-choice experimental tank, competition over a binary temperature choice between rankestablished paired crayfish was determined under both warm and cold challenge conditions (warm vs preferred temperature and cold vs preferred temperature, respectively). In naive pairings, similar levels of competition over the preferred temperature occurred in both warm and cold challenge trials, as predicted by game theory. In established pairings, however, dominant crayfish gained significantly greater access to preferred temperature in both warm and cold challenge conditions. These results demonstrate that crayfish engage in a cost-benefit assessment during their initial agonistic contests over temperature, but as hierarchies mature, these thermal games are decided by the dominant animal gaining primary access to the temperature resource.

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Section: Crayfish Pairings and Agonistic Assessmentssupporting

confidence: 89%

Section: Discussionmentioning

confidence: 91%

Section: Discussionmentioning

confidence: 99%

Section: Crayfish Pairings and Agonistic Assessmentsmentioning

confidence: 96%

Section: Crayfish Pairings and Agonistic Assessmentsmentioning

confidence: 99%

See 3 more Smart Citations

Thermal games in crayfish depend on establishment of social hierarchies

Tattersall

Luebbert

LePine

et al. 2012

Journal of Experimental Biology

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Mirror, mirror on the wall: the predictive value of mirror tests for measuring aggression in fish

Balzarini

Taborsky

Wanner

et al. 2014

Behav Ecol Sociobiol

117

100

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The behaviour of animals towards their mirror image ("mirror test") is routinely used as a proxy to measure aggression levels, especially in fish. The lack of evidence for visual self-recognition in fish supports this method. However, recent work points towards different hormonal and gene expression responses when fish are exposed either to conspecific opponents or to their mirror image, urging for validation of this widespread method. Here, we test the predictive value of mirror tests in three sympatric cichlid species from Lake Tanganyika: the cooperative breeder Neolamprologus pulcher, the polygamous shell brooder Telmatochromis vittatus and the monogamous, biparental piscivore Lepidiolamprologus elongatus. In particular, we compare differences in restrained and overt aggression levels for individuals of each species when confronted with a mirror or a live conspecific. The three species differed in response to the two contest situations. While in N. pulcher both aggressive responses were correlated between the mirror test and the live opponent fight, there was no such relationship in T. vittatus and L. elongatus. Thus, the mirror test appears to be a suitable surrogate for intraspecific aggression in N. pulcher, while aggression against a mirror image has limited predictive value for intraspecific aggression in the other two species. These results underline the importance of validating the mirror test's predictive value in a study species before drawing conclusions from mirror tests about aggressiveness under natural, social conditions.

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Social context shapes cognitive abilities: associative memories are modulated by fight outcome and social isolation in the crab Neohelice granulata

et al. 2021

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Cognitive abilities of an animal can be influenced by distinct social experiences. However, the extent of this modulation has not been addressed in different learning scenarios: are all tasks similarly affected by social experiences? In the present study, we analyzed the effect of social dominance in aversive and appetitive memory processes in the crab Neohelice granulata . In addition, we studied the influence of social isolation on memory ability. Social dominance experiments consisted of an agonistic phase immediately followed by a memory phase. During the agonistic phase, matched pairs of male crabs were staged in 10-min encounters and the dominant or subordinate condition of each member of the dyad was determined. During the memory phase, crabs were trained to acquire aversive or appetitive memory and tested 24 h later. Results showed that the agonistic encounter can modulate long-term memory according to the dominance condition in such a way that memory retention of subordinates results higher than their respective dominant. Remarkably, this result was found for both aversive and appetitive memory tasks. In addition, we found that isolated animals showed no memory retention when compared with animals that remained grouped. Altogether this work emphasizes the importance of social context as a modulator of cognitive abilities. Supplementary Information The online version contains supplementary material available at 10.1007/s10071-021-01492-6.

show abstract

Duration of socialization influences responses to a mirror: responses of dominant and subordinate crayfish diverge with time of pairing

Cited by 14 publications

References 48 publications

Thermal games in crayfish depend on establishment of social hierarchies

Thermal games in crayfish depend on establishment of social hierarchies

Mirror, mirror on the wall: the predictive value of mirror tests for measuring aggression in fish

Social context shapes cognitive abilities: associative memories are modulated by fight outcome and social isolation in the crab Neohelice granulata

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