Related Experiment Video
Updated: May 21, 2026
07:52
An Automated System for Sound Localization Testing in Hearing-Impaired Listeners
Published on: March 13, 2026
Location, location, location: finding a suitable home among the noise
Jenni A Stanley1, Craig A Radford, Andrew G Jeffs
1Leigh Marine Laboratory, University of Auckland, PO Box 349, Warkworth 0941, New Zealand. ja.stanley@auckland.ac.nz
Proceedings. Biological Sciences
|June 8, 2012
Summary
Coastal crab larvae use underwater sound to identify high-quality habitats, significantly speeding up metamorphosis when exposed to sounds from their preferred environments. This acoustic cue influences settlement and recruitment patterns.
Area of Science:
- Marine Biology
- Acoustic Ecology
- Larval Ecology
Background:
- Underwater sound travels long distances, acting as a crucial cue for marine larvae.
- Sound can potentially provide information about habitat quality and type.
- Coastal crab larvae rely on environmental cues for settlement and orientation.
Purpose of the Study:
- To investigate if settlement-stage coastal crab larvae can interpret habitat-specific underwater sound.
- To determine if larvae exhibit a settlement and metamorphosis response to natural underwater sound differences.
- To provide the first evidence of acoustic habitat assessment by coastal crab larvae.
Main Methods:
- Laboratory and field-based experiments were conducted.
- Settlement-stage larvae of common coastal crab species were exposed to different underwater sound signatures.
- Time to metamorphosis was measured in response to various habitat sound types.
Main Results:
- Larvae showed a significant decrease in time to metamorphosis when exposed to sounds from their optimal settlement habitat.
- This response was observed in five species of both temperate and tropical crabs.
- Habitat-related differences in natural underwater sound influenced larval metamorphosis time.
Conclusions:
- Coastal crab larvae can interpret and respond to habitat-specific underwater sound signatures.
- Underwater sounds from specific habitats play a significant role in spatial patterns of coastal crab recruitment.
- Acoustic cues are critical for larval settlement decisions and habitat selection in coastal ecosystems.
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