Habitat segregation mediates predation by the benthic fish Cottus gobio on the exotic amphipod species Gammarus roeseli

@article{Kaldonski2008HabitatSM,
  title={Habitat segregation mediates predation by the benthic fish Cottus gobio on the exotic amphipod species Gammarus roeseli},
  author={Nicolas Kaldonski and Cl{\'e}ment Lagrue and S{\'e}bastien Motreuil and Thierry Rigaud and L Bollache},
  journal={Naturwissenschaften},
  year={2008},
  volume={95},
  pages={839-844}
}
Predation is often considered as one of the most important biotic factor determining the success of exotic species. The freshwater amphipod Gammarus roeseli has widely colonized Western Europe, where it is frequently found in sympatry with the native species (Gammarus pulex). Previous laboratory experiments revealed that G. roeseli may have an advantage over G. pulex through differential predation by native fish (brown trout). Morphological anti-predator defences (spines) were found responsible… CONTINUE READING
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