INTERPOPULATIONAL DIFFERENCES IN THE USE OF THE TIT-FOR-TAT STRATEGY DURING PREDATOR INSPECTION IN THE GUPPY, POECILIA-RETICULATA

被引:25
作者
DUGATKIN, LA
ALFIERI, M
机构
[1] Department of Biology, State University of New York at Binghamton, Binghamton, 13902-6000, NY
关键词
TIT-FOR-TAT; GUPPIES; PRISONERS DILEMMA;
D O I
10.1007/BF02270695
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Prior work (Dugatkin, 1991a) has argued that guppies, originating from an area of high predation pressure, employ the Tit-For-Tat strategy during predator inspection visits. Guppies from the high predation site show all three characteristics associated with Tit-For-Tat; nice, retaliatory and forgiving behaviour. Since predation is the major selective force favouring Tit-For-Tat during predator inspection, we predicted fish from an area of low predation would not display the Tit-For-Tat strategy. Our results confirm this prediction; males display retaliatory, but not nice and forgiving behaviour, while females display none of the three characteristics. Thus as predation pressure changes, so too does the conditional nature of the cooperative strategy used during predator inspection.
引用
收藏
页码:519 / 526
页数:8
相关论文
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