Ouitouche

La ouitouche[1] (Semotilus corporalis), aussi appelée poisson blanc ou mulet argenté, est une espèce de poissons de la famille des cyprinidés.

Répartition

La ouitouche est originaire du Nord-Est des États-Unis et s'est répandue dans les années 1980 au Canada par des pêcheurs qui l'utilisaient comme appât pour la pêche à la truite. Ce poisson est considéré comme nuisible pour l'omble de fontaine.

Reproduction

Elle se reproduit tôt le printemps et pond entre fin juin et début juillet. Ce poisson se multiplie rapidement ce qui a eu pour conséquence d'entrainer sa répartition rapide.

Alimentation

La ouitouche a une alimentation variée (algues, menés, vers, œufs, insectes, etc.).

Pêche et utilisation culinaire

La ouitouche est appréciée par les pêcheurs car elle oppose une résistance et peut mesurer jusqu'à 420 millimètres. Toutefois la plupart des pêcheurs ne connaissent pas ses utilisations culinaires.

La ouitouche est comestible. Elle a une chair blanche floconneuse avec un fin goût d'amande ressemblant à celui du doré ou du bar rayé.

Systématique

Le nom valide complet (avec auteur) de ce taxon est Semotilus corporalis (Mitchill, 1817)[2].

L'espèce a été initialement classée dans le genre Cyprinus sous le protonyme Cyprinus corporalis Mitchill, 1817[2].

Semotilus corporalis a pour synonymes[2] :

  • Cheilonemus corporalis (Mitchill, 1817)
  • Chilonemus cataractus Baird, 1851
  • Cyprinus bullaris Rafinesque, 1817
  • Cyprinus corporalis Mitchill, 1817
  • Leuciscus nitidus DeKay, 1842
  • Leuciscus pulchellus Storer, 1839
  • Leucosomus corporalis (Mitchill, 1817)
  • Leucosomus rhotheus Cope, 1861
  • Semotilus bullaris (Rafinesque, 1817)
  • Squalius hyalope Cope, 1865

Publication originale

  • Mitchill, S. L. (1817). Report on the ichthyology of the Wallkill, from specimens of fishes presented to the society (Lycieum of Natural History)....by Dr. B. Akerly. American Monthly Magazine and Critical Review. 1: 289-290.

Références

  1. Jean Pagé, « L'abécédaire de la semaine: la ouitouche », sur RDS.ca, (consulté le )
  2. a b et c World Register of Marine Species, consulté le 21 août 2023

Liens externes

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