... ). Neural circuit mechanisms of social behavior . Neuron   98 , 16 - 30 . 10.1016/j.neuron.2018.02.026 Chen , S. , Lee , A. Y. , Bowens , N. M. , Huber , R. and Kravitz , E. A. ( 2002 ). Fighting fruit flies: a model system for the study of aggression . Proc. Natl. Acad...

... with an open-hand slap. Thus, the evolutionary significance of the proportions of the hominin hand may be that these are the proportions that improved manual dexterity while at the same time making it possible for the hand to be used as a club during fighting. Reliable recordings depended on realistic...

...Midori Sakura; Hitoshi Aonuma SUMMARY Male crickets ( Gryllus bimaculatus ) exhibit intensively defensive aggressive behavior towards attacking males most often culminating in fighting. After the fight, the loser no longer exhibits aggressiveness in a second, separate encounter with another male...

... proportions of hominin hands reflect, in part, sexual selection to improve fighting performance. * Author for correspondence ( [email protected] ) 6 6 2012 24 9 2012 © 2013. 2013 male–male competition fighting great ape Hominidae The shape of our hand...

... ). Contradictory asymmetries in body and weapon size, and assessment in fighting male prawns, Macrobrachium rosenbergii. Aggr. Behav . 23 , 81 -91. Barki, A., Karplus, I. and Goren, M. ( 1992 ). Effects of size and morphotype on dominance hierarchies and resource competition in the freshwater prawn...

...Thomas Breithaupt; Petra Eger SUMMARY Chemical communication is a widespread phenomenon in aquatic animals but is difficult to investigate because the signals are not visible. Here, we present the results of a study into chemical communication in blindfolded fighting crayfish ( Astacus...

...-mail: [email protected] 07 01 1999 09 03 1999 © 1999 by Company of Biologists 1999 urine output fighting behaviour catheter technique agonistic interaction lobster Homarus americanus Chemical signals play an important role in the social life of many crustaceans...