Deutsche Seiten  
 Home  Preservation  Information  Foundation  Projects  Exhibit *  Database  Galleries  Links  Shark Info 
 * Search   Distribution   Phylogenetic Tree   Orders   Red List   Endangered Sharks  Sitemap  Sitemap 

 Whitespotted bullhead shark (Heterodontus ramalheira)

> Photo
> Range Map
> Systematics
> Name
> Appearance
> Coloration
> Distribution
> Biology
> Feeding
> Size
> Reproduction
> Similar Species
> Endangerment
> Danger to Humans


Whitespotted bullhead shark
No image of Whitespotted bullhead shark found in the Shark Database
 Range Map

Earth Map


Phylum: Vertebates (Chordata)

Class: Carlilagenous Fishes (Chondrichthyes)
  Order: Bullhead sharks (Heterodontiformes)
    Family: Bullhead sharks (Heterodontidae)
      Genus: Heterodontus (Heterodontus)


Scientific: Heterodontus ramalheira
German: Weisspunkt-Stierkopfhai
English: Whitespotted bullhead shark, Mozambique bullhead
French: Requin dormeur chabot
Spanish: Dormil√≥n boquigrande


Cylindrical trunk with conical head. Small spiracles behind and below the eyes. Very short snout, bluntly rounded. Supraorbital ridges moderately high, ending abruptly behind the eyes. Both dorsal fins with a stout fin spine. Origin of first dorsal fin over pectoral fin bases. Origin of second dorsal fin over the free ends of the pelvic fins. Large pectoral fins. Anal fin present.


Numerous small white spots over reddish brown body.


Western Indian Ocean: Southern Mozambique, Arabian Peninsula (eastern shore).


A rare species. Lives on the outer continental shelf and uppermost slope in deepwater between about 100 and 275 m.


Seems to feed on crabs.


Maximum size about 83 cm.


Most likely oviparous (egg laying), although egg cases have not been found so far.

 Similar Species

Although other bullhead sharks have a similar appearance, the distribution and color pattern of this species are distinctive.


Status in the IUCN Red List(Version 2001):

Main criterion: > DD (Data Deficient)
Sub criterion:
Trend: Unknown

 Danger to Humans


 ^  Top |  Home  Preservation  Information  Foundation  Projects  Exhibit *  Database  Galleries  Links  Shark Info 
© 2018 - 2018 Shark Foundation / Hai-Stiftung Last updated: 18/10/03 10:54 / Webmaster