Sexual dimorphism in amphipods: the role of male posterior gnathopods revealed in Gammarus pulex

Abstract

In the mate-guarding amphipod, Gammarus pulex, the enlarged male posterior gnathopods have been variously suggested to function to grasp and subdue the female, to be used as weapons in fights between males, to signal to the female the male presence and stimulate moult accelaration, egg development or egg extrusion. These hypotheses were tested in a series… (More)
DOI: 10.1007/s00265-005-0925-7

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@article{Hume2005SexualDI, title={Sexual dimorphism in amphipods: the role of male posterior gnathopods revealed in Gammarus pulex}, author={Kevin D. Hume and Robert W. Elwood and Jaimie T. A. Dick and Jenny Morrison}, journal={Behavioral Ecology and Sociobiology}, year={2005}, volume={58}, pages={264-269} }