Heterodontiformes is an order of sharks, members of which are known as bullhead or Port Jackson sharks.
Photograph of two Port Jackson sharks (Heterodontus portusjacksoni) and information from Wikipedia on the anatomical features that distinguish members of the order Heterodontiformes.
Crested Bullhead Shark
Description and photograph from Wikipedia of this species from the western Pacific.
Biological profile of Heterodontus francisci with photographs and information on its taxonomy, distribution, distinctive features, reproduction, interaction with humans and status
Last update:July 1, 2007 at 15:31:12 UTC