Feeding under predation hazard: response of the guppy and Hart's rivulus from sites with contrasting predation hazard

@article{Fraser2004FeedingUP,
  title={Feeding under predation hazard: response of the guppy and Hart's rivulus from sites with contrasting predation hazard},
  author={Douglas F. Fraser and James F. Gilliam},
  journal={Behavioral Ecology and Sociobiology},
  year={2004},
  volume={21},
  pages={203-209}
}
Populations of guppies, Poecilia reticulata and Hart's rivulus, Rivulus harti, in Trinidad experience different levels of predation hazard from piscivorous fish. Those from the larger rivers (“downstream sites’) experience chronically high predation hazard, while those from headwater streams (“upstream sites”) have few predators. Guppies and Hart's rivulus, collected from downstream and upstream sites, were assayed for their feeding rate in the presence and absence of predators. We defined… CONTINUE READING
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