Skip to main content

Thank you for visiting You are using a browser version with limited support for CSS. To obtain the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript.

  • Article
  • Published:

Coral Community on Muddy Sand


Heteropsammia michelinii, a free-living and free-moving scleractinian coral found in the Australian Great Barrier Reef, has a symbiotic association with a sipunculid worm, Aspidosiphon corallicola. The worm lives in a cavity on the under surface of the coral and it pulls the coral over the muddy surface of the sand.

This is a preview of subscription content, access via your institution

Access options

Buy this article

Prices may be subject to local taxes which are calculated during checkout

Similar content being viewed by others


  1. Wells, J. W., The Cnidaria and their Evolution, 223 (Academic Press, 1966).

    Google Scholar 

  2. Yonge, C. M., Sci. Rep. Great Barrier Reef Exped., 1928–29, 1, 13 (1930).

    Google Scholar 

  3. Marshall, S. M., and Orr, A. P., Sci. Rep. Great Barrier Reef Exped., 1928–29, 1, 93 (1931).

    Google Scholar 

  4. Abe, N., Palao Trop. Biol. Stud., 2, 105 (1940).

    Google Scholar 

  5. Vaughan, T. W., and Wells, J. W., Geol. Soc. Amer., Spec. Pap., 44 (1943).

  6. Bouvier, E.-L., Ann. Sci. Nat. Zool. (7), 20, 1 (1895).

    Google Scholar 

  7. Milne Edwards, M., and Haime, J., Ann. Sci. Nat. Zool. (3), 10, 65 (1848).

    Google Scholar 

  8. Schindewolf, O. H., Akad. Wiss. u. Lit. Mainz, M.-N.Kl., Jahrg. 1958, 259 (1959).

  9. Yonge, C. M., Proc. Malac. Soc. Lond., 37, 311 (1967).

    Google Scholar 

  10. Bourne, G. C., Rep. Pearl Oyster Fish. Manaar, Roy. Soc., 5, 243 (1906); Proc. Malac. Soc. Lond., 7, 260 (1907).

    Google Scholar 

Download references

Author information

Authors and Affiliations


Rights and permissions

Reprints and permissions

About this article

Cite this article

GOREAU, T., YONGE, C. Coral Community on Muddy Sand. Nature 217, 421–423 (1968).

Download citation

  • Received:

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


By submitting a comment you agree to abide by our Terms and Community Guidelines. If you find something abusive or that does not comply with our terms or guidelines please flag it as inappropriate.


Quick links

Nature Briefing

Sign up for the Nature Briefing newsletter — what matters in science, free to your inbox daily.

Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing