Kingdom : Animalia
                          Class : Chondrichthyes
                       Family : Heterodontidae
        Scientific Name : Heterodontus 
                                       Francisci

                       Size(L) : 70cm - 120cm 
                                       (27.5in - 47in)
                  Life Span : 12 - 25 years
               Water Type : Salt
 Optimum pH Level : 7 - 8

                      Colour : Grey, Brow, 
                                       Black, Yellow
                 Skin Type : Smooth
Distinctive Features : Shirt head with 
                                      high ridges above 
                                      the eyes
  1. Horn Sharks are small species of sharks found in the north west part of North American Coastal waters.
  2. They inhabit the warmer waters off the Californian coast.
  3. They get their name from the high ridge behind their eyes that give a horn-like appearance to the sharks
  4. They have a broad, flat head, two high dorsal fins which have large venomous spines.
  5. They also have small, dark spots on their bodies which are mostly brown or grey in color.
  6. They do not grow beyond 1m in length and are quite a small species of sharks.
  7. They are somewhat clumsy at swimming and push themselves along the bottom of the ocean.
  8. They prefer to rest during the days and hide inside crevices, thick mats of algae or caves.
  9. They search for food at night, above the reef.
  10. They are carnivores, mainly feeding on hard-shelled crustaceans and molluscs, sea-urchins, starfish and fish.
  11. Their natural predators are large fish species and other sharks.
  12. They mate during the months of December and January and the females lay up to 24 eggs.
  13. The eggs are laid by the female horn sharks around 4-5 months after mating
  14. They are the only shark species where pre-natal care is shown by the mother.
  15. The female horn sharks are known to deposit their eggs in the safety of rocky crevices.
  16. Horn sharks are listed as being data deficient as not much is known about them.
  17. That being said, they are still adversely affected by commercial fishing and water pollution in their habitat.

Leave a Reply

Your email address will not be published. Required fields are marked *

Top