Chemical cues and binary individual recognition in the hermit crab Pagurus longicarpus

@inproceedings{Gherardi2004ChemicalCA,
  title={Chemical cues and binary individual recognition in the hermit crab Pagurus longicarpus},
  author={Francesca Gherardi and John Tiedemann},
  year={2004}
}
The behaviour exhibited by the hermit crab Pagurus longicarpus in response to an empty shell varied in the presence of cues from conspecific individuals according to its familiarity or not with them. This binary discrimination was independent of the conspecific's relative size and was based on chemical signatures, an ability that this species shares with a few other aquatic invertebrates. From our results, olfaction appeared to be the dominant sensory channel in P. longicarpus' binary… CONTINUE READING

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