Dominance Order in the Crayfish Orconectes virilis (Hagen)

Bovbjerg, Richard V.

doi:10.1086/physzool.26.2.30154514

Cited by 200 publications

(131 citation statements)

References 5 publications

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“…We recorded threat, strike, fight, or avoidance following Bovbjerg's (1953) classification. Dominance and subordinance were determined from a comparison of agonistic and submissive behaviors; the dominant was the one that exhibited more agonistic behaviors.…”

Section: Methodsmentioning

confidence: 99%

An analysis of the mechanisms governing species replacements in crayfish

1985

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Section: Methodsmentioning

confidence: 99%

An analysis of the mechanisms governing species replacements in crayfish

1985

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“…Ridley, 1983;Karnofsky & Price, 1989;Johnstone, Reynolds & Deutsch, 1996;Johnstone, 1997;Fawcett & Johnstone, 2003), the literature abounds with studies investigating the characteristics selected by females during mate choice. In arthropods, the usual female preference for large mates has been explained by the increase with body dimension of male dominance (Bovbjerg, 1953) and spermatophore sizes (e.g. Gwynne, 1981).…”

Section: Introductionmentioning

confidence: 99%

Mutual mate choice in crayfish: large body size is selected by both sexes, virginity by males only

Aquiloni

Gherardi

2007

Journal of Zoology

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Mate choice is often assumed to be a prerogative of females because of their putatively larger reproductive investment than males. However, recent evidence suggests that spermatogenesis is far from being limitless and that males show a high selectivity towards their mates, thus maximizing their reproductive success. We investigated mutual mate choice in the crayfish Procambarus clarkii through two experiments. The first experiment explored the effects of body size, chelar size and chelar symmetry and social status of a potential partner. In the second experiment, we asked whether this species can discriminate between partners of the same body size but with different mating status. We used a binary choice test paradigm, in which two 'targets' with opposing characteristics were simultaneously presented to a test animal, the 'chooser'. The results showed that P. clarkii males are more selective than expected. Similar to the other sex, they were significantly attracted by targets with large body sizes, but not by individuals with larger and symmetric chelae or with a dominant status. An inter-sexual difference was found in the second experiment, in which only males seemed to select virgin potential mates. The several adaptive explanations for these preferences, still under debate, are finally discussed.

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“…Such tail tucking is also seen as a defense posture . These behaviors have been readily observed in the field and in laboratory settings (Bovbjerg, 1953(Bovbjerg, , 1956Bruski and Dunham, 1987;Li et al, 2000;Listerman et al, 2000). Interestingly, the behavioral postures noted in lobsters (Livingstone et al, 1980) are reversed for 5-HT and octopamine injections in the Australian crayfish, Cherax destructor (McRae, 1996).…”

Section: Measuring Synaptic Responsesmentioning

confidence: 93%

Membrane Potentials, Synaptic Responses, Neuronal Circuitry, Neuromodulation and Muscle Histology Using the Crayfish: Student Laboratory Exercises

Baierlein

Thurow

Atwood

et al. 2011

JoVE

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The purpose of this report is to help develop an understanding of the effects caused by ion gradients across a biological membrane. Two aspects that influence a cell's membrane potential and which we address in these experiments are: (1) Ion concentration of K + on the outside of the membrane, and (2) the permeability of the membrane to specific ions. The crayfish abdominal extensor muscles are in groupings with some being tonic (slow) and others phasic (fast) in their biochemical and physiological phenotypes, as well as in their structure; the motor neurons that innervate these muscles are correspondingly different in functional characteristics. We use these muscles as well as the superficial, tonic abdominal flexor muscle to demonstrate properties in synaptic transmission. In addition, we introduce a sensory-CNS-motor neuron-muscle circuit to demonstrate the effect of cuticular sensory stimulation as well as the influence of neuromodulators on certain aspects of the circuit. With the techniques obtained in this exercise, one can begin to answer many questions remaining in other experimental preparations as well as in physiological applications related to medicine and health. We have demonstrated the usefulness of model invertebrate preparations to address fundamental questions pertinent to all animals.

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Dominance Order in the Crayfish Orconectes virilis (Hagen)

Cited by 200 publications

References 5 publications

An analysis of the mechanisms governing species replacements in crayfish

An analysis of the mechanisms governing species replacements in crayfish

Mutual mate choice in crayfish: large body size is selected by both sexes, virginity by males only

Membrane Potentials, Synaptic Responses, Neuronal Circuitry, Neuromodulation and Muscle Histology Using the Crayfish: Student Laboratory Exercises

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