Carcharhiniformes

>> Classification > Carcharhiniformes > Grande roussette

Scyliorhinus stellaris - Nursehound

 

Découvert par Linné en 1758.

 


Morphologie
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  Branchies  
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  Corps Grande roussette à corps massif et à museau court.
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  Couleur Jaune sable parsemé de nombreuses tâches noires.
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Dentition

 
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  Mâchoires  
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  Nageoires Le bord postérieur des nageoires ventrales est arrondi. L'origine du premier aileron dorsal se trouve derrière la nageoire
pelvienne. Le second aileron dorsal est plus petit que le premier et son origine se trouve à l'arrière de la nageoire anale.
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  Tête
Son museau est court, arrondi, possédant des ouvertures nasales très marquées et séparées.
Les yeux sont allongés.
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Caractéristiques
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  Activité Nocturne.
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Alimentation

Harengs, sardines, petites roussettes, raies.
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  Biologie
 
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  Distribution
Atlantique Est.
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  Espérance de vie Jusqu'à 19 ans.
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  Habitat Benthique, il préfère les fonds rocheux et évolue jusqu'à 60 m en Atlantique et 125 m en Méditerranée.
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  Masse  
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  Taille Jusqu'à 170 cm.
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Distribution
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IUCN Liste rouge
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Reproduction
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  Mode de reproduction Ovipare.
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  Maturité sexuelle  
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  Période de reproduction  
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  Gestation  
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Embryons

 
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Dangers
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  Dangerosité

Aucune.

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  Degré
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  Exploitation humaine Captures fréquentes à la ligne et au filet. Utilisation pour l'alimentation.
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Particularités
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  Accouplement  
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Classification
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  Règne Animalia
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  Embranchement Chordata
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  Classe Chondrichtyes
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  Sous-classe Elasmonranchii
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  Super-ordre Euselachii
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  Ordre Carcharhiniformes
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  Famille Scyliorhinidae
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  Genre Scyliorhinus
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  Espèce

Scyliorhinus stellaris

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Photos
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Vidéos
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