A conspicuous courtship signal in the fiddler crab Uca perplexa: female choice based on display structure

Murai, Minoru; Backwell, Patricia R. Y.

doi:10.1007/s00265-006-0217-x

Cited by 93 publications

(50 citation statements)

References 32 publications

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“…Males that were visited by females in the field completed the downward component of the chela wave more rapidly than their neighbors, and the interval between the end of one wave and the start of the next was shorter (Backwell et al 1998). A subsequent study found similar results: the waves of males that were visited by females were distinct from those that females passed by (Murai & Backwell 2006). These studies suggest that females are not only capable of detecting subtle differences in male courtship skill, but that they base their reproductive decisions upon such subtleties.…”

Section: Motor Skill In Arthropodssupporting

confidence: 69%

Female mate choice based upon male motor performance

2010

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Section: Motor Skill In Arthropodssupporting

confidence: 69%

Female mate choice based upon male motor performance

2010

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“…In this context, male crabs will probably be more successful in attracting females if they can raise their claw differentially in a way that their own claw would stand out from that of other males. Murai and Backwell (2006) found that U. perplexa females select males that raise their major claw higher and for longer, suggesting that wave structure has evolved through female choice.…”

Section: Discussionmentioning

confidence: 99%

“…Altvogt 1957;Crane 1957Crane , 1958Salmon and Stout 1962;von Hagen 1962von Hagen , 1983von Hagen , 1993Salmon and Atsaides 1968;Backwell et al 1998;Oliveira and Custódio 1998;Latruffe et al 1999), but only a few have analysed waving structure in detail. For example, Hyatt (1977) found an ontogenic progression of the waving design (for both its temporal and spatial components) in Uca pugilator, suggesting that it could convey information regarding the sexual maturity of the displaying male; von Hagen (1993) used similar temporal parameters to compare the unusual female waving display of U. polita to that of conspecific males; and Murai and Backwell (2006) looked for differences between temporal and spatial components of the waving display of "visited by females" and "passed by females" males of U. perplexa.…”

Section: Introductionmentioning

confidence: 99%

Stereotypy and variation in the claw waving display of the fiddler crab Uca tangeri

2007

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We measured temporal and spatial components of the waving display in a Uca tangeri population to look for inter-individual differences in male waving structure that may convey information about individual identity. We found evidence that the spatial components of wave structure, especially "Maximum amplitude" are responsible for most of the between-male variation of the display. This variation could reflect differences in individuals' condition and/or could be used by conspecifics to discriminate amongst familiar and unfamiliar individuals.

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“…Webster and Webster, 1971), courtship (e.g. Murai and Backwell, 2006) and locomotion (e.g. Patla, 1997).…”

Section: Introductionmentioning

confidence: 99%

Light level impacts locomotor biomechanics in a secondarily diurnal gecko,Rhoptropus afer

Birn-Jeffery

Higham

2016

Journal of Experimental Biology

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Locomotion through complex habitats relies on the continuous feedback from a number of sensory systems, including vision. Animals face a visual trade-off between acuity and light sensitivity that depends on light levels, which will dramatically impact the ability to process information and move quickly through a habitat, making ambient illumination an incredibly important ecological factor. Despite this, there is a paucity of data examining ambient light in the context of locomotor dynamics. There have been several independent transitions from the nocturnal ancestor to a diurnal activity pattern among geckos. We examined how ambient light level impacted the locomotor performance and high-speed three-dimensional kinematics of a secondarily diurnal, and cursorial, gecko (Rhoptropus afer) from Namibia. This species is active under foggy and sunny conditions, indicating that a range of ambient light conditions is experienced naturally. Locomotor speed was lowest in the 'no-light' condition compared with all other light intensities, occurring via a combination of shorter stride length and lower stride frequency. Additionally, the centre of mass was significantly lower, and the geckos were more sprawled, in the no-light condition relative to all of the higher light intensities. Locomotor behaviour is clearly sub-optimal under lower light conditions, suggesting that ecological conditions, such as very dense fog, might preclude the ability to run quickly during predator-prey interactions. The impact of ambient light on fitness should be explored further, especially in those groups that exhibit multiple transitions between diel activity patterns.

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A conspicuous courtship signal in the fiddler crab Uca perplexa: female choice based on display structure

Cited by 93 publications

References 32 publications

Female mate choice based upon male motor performance

Female mate choice based upon male motor performance

Stereotypy and variation in the claw waving display of the fiddler crab Uca tangeri

Light level impacts locomotor biomechanics in a secondarily diurnal gecko,Rhoptropus afer

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