Heterodontiformes

>> Classification > Heterodontiformes > Requin dormeur chabot

Heterodontus ramalheira - Whitespotted bullhead shark - Weisspunkt-Stierkopfhai - Dormilon boquigrande

Requin découvert par Smith en 1949.


Morphologie

 


Museau taillé en biseau, peau tachetée ;


Nageoires dorsales en forme de croissant bien net ;



Il possède de robustes épines composées d'émail et de pulpe dentine placée devant les deux dorsales ;

Cette armure défensive semble être un restant de caractère primitif.

   

 

Caractéristiques
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  Taille Jusqu'à 80 cm.
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  Masse  
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  Nocturne/Diurne  
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  Alimentation Essentiellement des crabes.
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  Habitat Plateau continental de la mer d'Oman.
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  Distribution
Mer d'Oman et côtes es de l'Afrique.
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Maturité sexuelle

Atteinte à 60 cm pour les mâles et 75 cm pour les femelles.
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Mode de reproduction

Ovipare.
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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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Dangers
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  Dangerosité

Aucune.

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  Degré
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  Exploitation humaine Aucune.
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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 Galeomorphes
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  Ordre Heterodontiformes
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  Famille Heterodontidae
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  Genre Heterodontus
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  Espèce Heterodontus ramalheira
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Photos
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Vidéos
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