Heterodontiformes

>> Classification > Heterodontiformes > Requin dormeur bouledogue

Heterodontus quoyi - Galapagos bullhead shark - Galapagos-Stierkopfhai - Dormilon de Galapagos

Requin découvert par Fréminville en 1840.


Morphologie

 


Museau taillé en biseau, peau tachetée. Petit requin benthique peu actif ;

Les yeux protubérants sont placés sur le dessus de la tête ;



Solitaire et probablement de comportement nocturne, il est parfois observé sur les terrasses des parois rocheuses ou à l'intérieur de petites grottes sur les fonds des îles Galápagos.

 

 

 
   

 

Caractéristiques
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  Taille Jusqu'à 60 cm.
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  Masse Jusqu'à 250 kilos.
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  Nocturne/Diurne Nocturne.
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  Alimentation Invertébrés, crabes et algues vertes.
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  Habitat Côtier et benthique, il évolue en eaux tempérées peu profondes de 15 à 30 m sur les fonds rocheux.
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  Distribution
Eaux côtières du Pérou et des îles Galápagos.
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Maturité sexuelle

Atteinte à 50 cm pour les deux sexes.
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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 quoyi
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Photos
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Vidéos
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