Carcharhiniformes

>> Classification > Carcharhiniformes > Requin aiguille de l'Atlantique

Rhizoprionodon terraenovae - Atlantic sharpnose shark - Atlantischer Scharfnasenhai  - Cazon picudo atlantico

Requin découvert par Richardson en 1836.


Morphologie

 

Gros yeux et petites nageoires.

 

 

 



   
   
   

 

Caractéristiques
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  Taille Jusqu'à 110 cm.
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  Masse 7,3 kilos.
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  Nocturne/Diurne  
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  Alimentation Petits poissons osseux, crustacés, mollusques.
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  Habitat Semi-benthique, il évolue jusqu'à 300 m.
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  Distribution
Eaux côtières du golfe du Mexique.
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Maturité sexuelle

Atteinte à 80 cm pour les deux sexes.
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Mode de reproduction

Vivipare.
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  Période de reproduction  
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  Espérance de vie 10 ans.
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  IUCN Liste rouge
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Distribution
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Reproduction
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  Jusqu'à 7 juvéniles mesurant 30 cm à la naissance après 11 mois de gestation.
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Dangers
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  Dangerosité

Aucune.

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  Degré
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  Exploitation humaine Capture et utilisation peu fréquentes.
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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 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 Carcharhinidae
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  Genre Rhizoprionodon
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  Espèce Rhizoprionodon terraenovae
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Photos
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Vidéos
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