Individual and Status Recognition in the Crayfish, Orconectes Rusticus: the Effects of Urine Release on Fight Dynamics
نویسندگان
چکیده
This study examined individual and status recognition in dyadic interactions between cray sh and determines how blocking the release of urine, a known source of chemical cues, may in uence recognition. Behavioral characteristics of agonistic interactions were compared between cray sh pairs that fought each other previously (familiar) and pairs derived from individuals with past status history but no previous experience with one another (unfamiliar). To address the role of urine born chemical cues in recognition, ght dynamics were examined in urine blocked and non-blocked familiar and unfamiliar pairs. Our results indicate the existence of status recognition in cray sh as rst ghts were longer than second ghts and the statistical interaction between ght number and familiar/unfamiliar treatment was similar. Urine cues play a role in social recognition in that ghts are longer and more intense when urine cues are absent than when urine cues are present. Communication of behavioral state through urine appears to play an important role in the agonistic interactions of cray sh.
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