Carcharhiniformes

>> Classification > Carcharhiniformes > Requin aiguille du Brésil

Rhizoprionodon lalandii - Brazilian sharpnose shark

Requin découvert par Müller & Henle en 1839.


Morphologie

 

Seconde nageoire dorsale minuscule.
   
   
   
   

 

Caractéristiques
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  Taille Jusqu'à 77 cm.
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  Masse  
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  Nocturne/Diurne  
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  Alimentation Petits poissons osseux, calmars, crevettes.
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  Habitat Semi-benthique, il évolue jusqu'à 70 m.
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  Distribution
Eaux côtières chaudes de l'Atlantique occidental, du Panama à l'Uruguay.
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Maturité sexuelle

Atteinte à 50 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  
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  IUCN Liste rouge DD
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Distribution
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Reproduction
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  De 1 à 4 juvéniles mesurant 30 cm à la naissance.
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Dangers
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  Dangerosité

Aucune.

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  Degré
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  Exploitation humaine Captures côtières fréquentes ; utilisation de sa chair dans 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 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 lalandii 
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Photos
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Vidéos
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