Carcharhiniformes

>> Classification > Carcharhiniformes > Requin à museau pointu

Rhizoprionodon acutus - Milk shark

Requin découvert par Rüppell en 1837.


Morphologie

 

Gros yeux, petites nageoires; museau en pointe.
   
   
   
   

 

Caractéristiques
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  Taille Jusqu'à 175 cm pour les mâles et 80 cm pour les femelles.
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  Masse Jusqu'à 5 kilos.
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  Nocturne/Diurne  
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  Alimentation Petits poissons osseux.
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  Habitat Jusqu'à 200 m.
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  Distribution
Eaux littorales de l'Indo-Pacifique et de l'Afrique de l'ouest.
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Maturité sexuelle

Atteinte à 55 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 8 ans.
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  IUCN Liste rouge
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Distribution
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Reproduction
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  De 1 à 8 juvéniles mesurant 30 cm à la naissance après 12 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 Captures assez fréquentes à la palangre et au filet.
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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 acutus
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Photos
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Vidéos
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