A stage-structured model to predict the effect of temperature and salinity on glass eel Anguilla anguilla pigmentation development

  1. C. Briand1,*,
  2. D. Fatin1,
  3. E. Ciccotti2,
  4. P. Lambert3

Article first published online: 6 OCT 2005

DOI: 10.1111/j.0022-1112.2005.00798.x

Issue

Journal of Fish Biology

Journal of Fish Biology

Volume 67, Issue 4, pages 993–1009, October 2005

Additional Information

How to Cite

Briand, C., Fatin, D., Ciccotti, E. and Lambert, P. (2005), A stage-structured model to predict the effect of temperature and salinity on glass eel Anguilla anguilla pigmentation development. Journal of Fish Biology, 67: 993–1009. doi: 10.1111/j.0022-1112.2005.00798.x

Author Information

  1. 1

    Institution d’ Aménagement de la Vilaine, 56130 La Roche-Bernard, France,

  2. 2

    Dipartimento di Biologia, Università degli Studi “Tor Vergata”, Via della Ricerca Scientifica, 00133 Rome, Italy and

  3. 3

    CEMAGREF, Unité Ressources Aquatiques Continentales, F-33612 Cestas Cedex, France

*Correspondence: C. Briand,

*Correspondence: †Tel.: +33 2 9990 8844; fax: +33 2 9990 8849; email: cedric.briand@lavilaine.com

Publication History

  1. Issue published online: 6 OCT 2005
  2. Article first published online: 6 OCT 2005
  3. (Received 2 August 2004, Accepted 7 April 2005)

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Keywords:

  • Anguilla anguilla;
  • European eel;
  • glass eel;
  • pigment stage;
  • salinity;
  • temperature

The pigmentation development process of glass eels Anguilla anguilla from stage VB to VIA3 was modelled by gamma cumulative functions. These functions varied with respect to the factors temperature and salinity whose effects were adjusted by beta functions. Temperature was shown to accelerate pigmentation, while salinity acted as a secondary factor slowing down the pigmentation. The model fits the development of 15 samples kept at various temperatures and salinities in the Vilaine River, as well as samples monitored at other dates and places in Europe. It allows the prediction of the duration of estuarine residency for glass eels, in winter and spring, in the Atlantic estuaries.

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