Effects of a low oxygen environment on parental effort and filial cannibalism in the male sand goby , Pomatoschistus minutus

@inproceedings{Lissker2003EffectsOA,
  title={Effects of a low oxygen environment on parental effort and filial cannibalism in the male sand goby , Pomatoschistus minutus},
  author={Maria Liss{\aa}ker and Charlotta Kvarnemo and Ola Svensson},
  year={2003}
}
In fish, brood cycling parental males sometimes eat some or all of their eggs, a behavior termed filial cannibalism. We tested predictions of filial cannibalism models related to the cost of parental care in the male sand goby, Pomatoschistus minutus, by increasing the parental effort (fanning expenditure) through reduced levels of dissolved oxygen to 39% in an experimental group, whereas a control group had fully saturated water. Males showed both full-clutch cannibalism and partial-clutch… CONTINUE READING
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