# Corègon del llac Léman

El corègon del llac Léman (Coregonus nasus) és una espècie de peix de la família dels salmònids i de l'ordre dels salmoniformes.

## Morfologia

* Els mascles poden assolir 71 cm de llargària total i 16 kg de pes.
* Presenta una aleta adiposa.
* Nombre de vèrtebres: 60-65.
* El ventre és de color blanc a groguenc i les aletes, en general, són de color gris en els adults i pàl·lid en els joves.

## Alimentació

Menja larves d'insectes aquàtics, petits mol·luscs i crustacis.

## Hàbitat

Es troba amb major freqüència als rierols.

## Distribució geogràfica

Es troba a l'Àrtida des del riu Pechora (Rússia) fins a Nord-amèrica (Alaska i el Canadà).

## Longevitat

Viu fins als 15 anys.

## Vàlua econòmica

La seua carn és molt apreciada i és venuda fresca, assecada o fumada.

## Referències

* ↑ Linnaeus C. 1758. Systema Naturae, Ed. X. (Systema naturae per regna tria naturae, secundum classes, ordines, genera, species, cum characteribus, differentiis, synonymis, locis. Tomus I. Editio decima, reformata.) Holmiae. Systema Nat. ed. 10 v. 1. i-ii + 1-824.
* 1 2 BioLib (anglès)
* ↑ Pallas, P. S. 1771-1776. Reise durch verschiedene Provinzen des russischen Reiches. St. Petersburg. 3 vols. (vol. 1, 1771:12 unnumb. index, + Pls. A-Z, AA-NN). Reise Russ. Reiches.
* 1 2 FishBase (anglès)
* 1 2 Page, L. M.; Burr, B. M. A field guide to freshwater fishes: North America north of Mexico (en anglès). Houghton Mifflin Company, 1991. ISBN 0-395-35307-6.
* 1 2 3 4 Scott, W.B. i E.J. Crossman 1973. Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184:1-966.
* ↑ Berg, L.S. 1962. Freshwater fishes of the U.S.S.R. and adjacent countries. vol. 1, quarta edició. Israel Program for Scientific Translations Ltd, Jerusalem.

## Bibliografia

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* Andriyashev, A.P. 1964. Fishes of the northern seas of the U.S.S.R. Israel Program for Scientific Translations, Jerusalem. 617 p.
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* Bond, W.A. 1982. A study of the fishery resources of Tuktoyaktuk Harbour, southern Beaufort Sea coast, with special reference to life histories of anadromous coregonids. Can. Tech. Rep. Fish. Aquat. Sci. 1336.
* Bond, W.A. i R.N. Erickson 1985. Life history studies of anadromous coregonid fishes in two freshwater lake systems on the Tuktoyaktuk Peninsula, Northwest Territories. Can. Tech. Rep. Fish. Aquat. Sci. 1336.
* Bristow, P. 1992. The illustrated encyclopedia of fishes. Chancellor Press, Londres, Gran Bretanya.
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* Morrow, J.E. 1980. The freshwater fishes of Alaska. University of. B.C. Animal Resources Ecology Library. 248p.
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* Muth, K.M. 1969. Age and growth of the broad whitefish, Coregonus nasus, in the Mackenzie and Coppermine rivers, Northwest Territories. J. Fish. Res. Board Can. 26:2252-2256.
* Nelson, J.S., E.J. Crossman, H. Espinosa-Pérez, L.T. Findley, C.R. Gilbert, R.N. Lea i J.D. Williams 2004. Common and scientific names of fishes from the United States, Canada, and Mexico. American Fisheries Society, Special Publication 29, Bethesda, Maryland, Estats Units.
* Nelson, J.S. 2006: Fishes of the world. Quarta edició. John Wiley & Sons, Inc. Hoboken, Nova Jersey, Estats Units. 601 p. ISBN 0-471-25031-7.
* Quast, J.C. i E.L. Hall 1972. List of fishes of Alaska and adjacent waters with a guide to some of their literature. U.S. Dep. Commer., NOAA Tech. Rep. NMFS SSRF-658, 47 p.
* Reshetnikov, Y.S., 1980. (Ecology and systematics of the coregonid fishes). Nauka, Moscou.
* Reshetnikov, Y.S., N.G. Bogutskaya, E.D. Vasil'eva, E.A. Dorofeeva, A.M. Naseka, O.A. Popova, K.A. Savvaitova, V.G. Sideleva i L.I. Sokolov 1997. An annotated check-list of the freshwater fishes of Russia. J. Ichthyol. 37(9):687-736.
* Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea i W.B. Scott 1980. A list of common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Publ. (12)1-174.
* Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea i W.B. Scott 1991. Common and scientific names of fishes from the United States and Canada. Am. Fish. Soc. Spec. Pub. (20):183 p.
* Scott, W.B. i E.J. Crossman 1973. Freshwater fishes of Canada. Bull. Fish. Res. Board Can. 184:1-966.
* Stein, J.N., C.S. Jessop, T.R. Porter i K.T.J. Chang-Kue 1973. Fish resources of the Mackenzie River valley. Department of the Environment, Fisheries Service, Interim Report 2, Winnipeg, Manitoba.
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* Viktorovsky, R.M. i L.N. Ermolenko 1982. The chromosomal complexes of Coregonus nasus and Coregonus lavaretus and the problem of the Coregonus karyotype divergence. Tsitologiya (Cytology). 24(7):797-801. Leningrad.
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* Wynne-Edwards, V.C. 1952. Fishes of the Arctic and subarctic. p. 5-24. A Freshwater vertebrates of the Arctic and subarctic. Fish. Res. Bd. Canada Bull. 94: 28 p.

## Enllaços externs

* «Coregonus nasus». Catalogue of Life. (anglès) (anglès)