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Location, location, location: finding a suitable home among the noise
Stanley, J.A.; Radford, C.A.; Jeffs, A.G. (2012). Location, location, location: finding a suitable home among the noise. Proc. - Royal Soc., Biol. Sci. 279(1742): 3622-3631. hdl.handle.net/10.1098/rspb.2012.0697
In: Proceedings of the Royal Society of London. Series B. The Royal Society: London. ISSN 0962-8452, more
Peer reviewed article  

Available in Authors 

Keywords
    Habitat types; Megalopae; Marine
Author keywords
    Crab; Settlement and metamorphosis; Cue; Underwater sound

Authors  Top 
  • Stanley, J.A.
  • Radford, C.A.
  • Jeffs, A.G.

Abstract
    While sound is a useful cue for guiding the onshore orientation of larvae because it travels long distances underwater, it also has the potential to convey valuable information about the quality and type of the habitat at the source. Here, we provide, to our knowledge, the first evidence that settlement-stage coastal crab species can interpret and show a strong settlement and metamorphosis response to habitat-related differences in natural underwater sound. Laboratory- and field-based experiments demonstrated that time to metamorphosis in the settlement-stage larvae of common coastal crab species varied in response to different underwater sound signatures produced by different habitat types. The megalopae of five species of both temperate and tropical crabs showed a significant decrease in time to metamorphosis, when exposed to sound from their optimal settlement habitat type compared with other habitat types. These results indicate that sounds emanating from specific underwater habitats may play a major role in determining spatial patterns of recruitment in coastal crab species.

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