Squaliformes

>> Classification > Squaliformes > Aiguillat épinette


Squalus mitsukurii - Shortspine spurdog

Requin découvert par Jordan & Snyder en 1903.


Morphologie

 


Corps élancé ; une épine en avant de chaque dorsale ;


Tête conique déprimée vers l'arrière ;

 5 paires de fentes branchiales.

 

 

 

 

 

 


 

 

Caractéristiques
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  Taille Jusqu'à 90 cm pour les mâles et 82 cm pour les femelles.
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  Masse  
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  Nocturne/Diurne  
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  Alimentation Poissons osseux, céphalopodes, crustacés.
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  Habitat Il évolue entre 30 et 600 m.
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  Distribution
Eaux des trois océans.
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Maturité sexuelle

Atteinte à 68 cm pour les deux sexes.
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Mode de reproduction

Ovovivipare.
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  Période de reproduction  
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  Espérance de vie  
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  IUCN Liste rouge DD
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Distribution
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Reproduction
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  De 4 à 9 juvéniles mesurant 22 à 26 cm à la naissance après une gestation de 2 ans.
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Dangers
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  Dangerosité

Aucune.

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  Degré
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  Exploitation humaine Captures occasionnelles à la palangre profonde, parfois utilisé pour l'alimentation.
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Particularités
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Classification
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  Règne Animalia
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  Embranchement Chordata
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  Classe Chondrochtyes
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  Sous-classe Elasmobranchii
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  Super-ordre Euselachii
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  Ordre Squaliformes
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  Famille Squalidae
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  Genre Squalus
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  Espèce Squalus mitsukurii
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Photos
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Vidéos
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