The mismeasure of animal contests

Taylor, Phillip W.; Elwood, Robert W.

doi:10.1006/anbe.2003.2169

Cited by 280 publications

(273 citation statements)

References 37 publications

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“…However, this relationship can be an incidental result of an underlying relationship 481 with the RHP of the loser and thus is not diagnostic (Taylor & Elwood, 2003). Nevertheless, 482 multiple regressions revealed that contest duration was correlated with RHP asymmetry, 483 rather than winner or loser RHP, which demonstrates mutual assessment rather than an 484 incidental result.…”

Section: Discussion 423mentioning

confidence: 96%

“…However, studies on a wide range of animal contests 76 that have shown mutual assessment (e.g. Englund & Olsson, 1990;Junior & Peixoto, 2013; 77 Kemp, Alcock, & Allen, 2006;Pratt, McLain, & Lathrop, 2003) have recently been called 78 into question (Briffa & Elwood, 2009;Elwood & Arnott, 2012;Taylor & Elwood, 2003). 79…”

Section: Assessment 41mentioning

confidence: 99%

“…The decision to withdraw from a contest is usually influenced by the fighting ability of 51 a contestant, termed resource-holding potential (RHP;Maynard Smith, 1974;Parker, 1974; 52 Parker & Stuart, 1976). The information that facilitates these decisions will be dictated by the 53 assessment capabilities of the species (Taylor & Elwood, 2003). 54…”

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confidence: 99%

“…self-83 assessment, E-WOA). Taylor and Elwood (2003) recommended a statistical framework to 84 distinguish between mutual and self-assessment strategies. This framework has been 85 implemented in many studies, revealing that self-assessment is more prevalent than 86 previously thought (e.g.…”

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confidence: 99%

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Giant Australian cuttlefish use mutual assessment to resolve male-male contests

et al. 2015

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Section: Discussion 423mentioning

confidence: 96%

Section: Assessment 41mentioning

confidence: 99%

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confidence: 99%

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Giant Australian cuttlefish use mutual assessment to resolve male-male contests

et al. 2015

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“…This is possibly the consequence of some hermit crab species' inadequate sensory acuity, high costs of assessment, or lack of reliable cues in certain habitats (Taylor and Elwood 2003). It was also suggested that the agonistic behavior of hermit crabs is affected by the experience they may have had of shells of a given quality (Gherardi 2006).…”

Section: Introductionmentioning

confidence: 99%

The past ownership of a resource affects the agonistic behavior of hermit crabs

Tricarico

Gherardi

2007

Behav Ecol Sociobiol

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Resource value is often considered the most important nonstrategic variable in the fighting behavior of invertebrates. In our study, we tested whether the experience of shells of a given quality, occupied in the recent past, might affect the agonistic behavior of the hermit crab Pagurus longicarpus. We analyzed the fights battled by 84 test crabs against size-matched unknown rivals before (premanipulation phase) and after (postmanipulation phase) having modified the quality of the domicile shell of the contestants. Specifically, we compared the behavior of crabs that had been subject to either a worsening or an improvement in the quality of their shell with crabs that, although being similarly subject to a shell manipulation, occupied a shell of the same quality as in the premanipulation phase. We found that the crabs subject to a worsening in the quality of their shell were more aggressive than those subject to its improvement and that the former were even more aggressive than those that occupied a bad quality shell also in the premanipulation phase. Crabs seemed not to gather information about the opponent's shell during fights or not to use this information, most often behaving in accordance with the quality of the domicile shell. These results are clear in showing the role played by the experience of a previously occupied shell, also confirming that the agonistic behavior of P. longicarpus is mainly based on decision rules of the type "own resource value dependency."

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