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.


The price of lice

Wild salmon stocks in Canadian coastal waters are being severely affected by parasites from fish farms. So intense are these infestations that some populations of salmon are at risk of extinction.

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

Access options

Rent or buy this article

Prices vary by article type



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

Figure 1: Salmon louse.



  1. Watson, R. & Pauly, D. Nature 414, 534–536 (2001).

    Article  ADS  CAS  Google Scholar 

  2. Food & Agriculture Organization of the United Nations State of World Aquaculture 2006 Fisheries Tech. Pap. 500 (FAO, Rome, 2006).

  3. Krkošek, M. et al. Science 318, 1772–1775 (2007).

    Article  ADS  Google Scholar 

  4. Naylor, R. L. et al. Issues Ecol. No. 8 (2001).

Download references

Author information

Authors and Affiliations


Rights and permissions

Reprints and Permissions

About this article

Cite this article

Rosenberg, A. The price of lice. Nature 451, 23–24 (2008).

Download citation

  • Published:

  • Issue Date:

  • DOI:

This article is cited by


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