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Related Experiment Video

Updated: Jun 12, 2026

Effective Techniques for the Feeding and Ex Situ Culture of a Brooding Scleractinian Coral, Pocillopora acuta
09:31

Effective Techniques for the Feeding and Ex Situ Culture of a Brooding Scleractinian Coral, Pocillopora acuta

Published on: June 23, 2023

Coral larvae move toward reef sounds.

Mark J A Vermeij1, Kristen L Marhaver, Chantal M Huijbers

  • 1Carmabi Foundation, Willemstad, Curaçao, The Netherlands Antilles. m.vermeij@carmabi.org

Plos One
|May 26, 2010
PubMed
Summary

Coral larvae use reef sounds to find suitable settlement locations. This study reveals the first auditory response in the invertebrate phylum Cnidaria, highlighting the importance of marine soundscapes.

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Area of Science:

  • Marine Biology
  • Acoustic Ecology
  • Invertebrate Zoology

Background:

  • Coral larvae (<1 mm) exhibit crucial settlement behaviors during their planktonic phase.
  • In situ observation of these behaviors is challenging, leaving settlement cues largely unknown.

Purpose of the Study:

  • To investigate if coral larvae respond to acoustic cues for habitat detection.
  • To determine if sound influences coral larval settlement.

Main Methods:

  • Utilized in situ choice chambers to test larval responses to underwater sound.
  • Broadcasted natural reef sounds (fish, crustaceans) using underwater loudspeakers.

Main Results:

  • Coral larvae demonstrated attraction to broadcasted reef sounds.
  • This indicates a novel auditory response in the phylum Cnidaria.

Conclusions:

  • Coral larvae can detect and orient towards reef soundscapes.
  • Marine noise pollution may negatively impact coral settlement and recovery efforts.