Goblin Shark

                    the goblin shark is appart of a family called mitsukurinidae they date back 125 million years and are still alive to this day they are considerd to be living fossls and they can be identifide by thaire pointed nose and slimey apperance the goblin shark poses no thret to humanas and dering a masive earth quake in april 2003 over one hundred of them couht by the local  fisher men of taiwan the specise where never reported to be in th area 

                                                              sand tiger shark

                                           

            the sand tiger shark is a fearsome  appearance and are vary strong swimmer's and can grow up to 3.0 meters the sand tiger has no confirmed  kills on humans but can leave a nasty bite and the teeth on the sand tiger are made to lock on and leave a nasty bite they are known to be a danger in tropical waters if you get to close and you can identify them by their full display of the sharp teeth the tan type of skin there pointed nose and rust colored and white belly  they will eat squid,crab and even other sharks they can gulp in air allowing it to be suspended in water column with minimal effort. they will migrate to south Africa and Australia  they are known to be nocturnal hunters and at night they have the perfect color to blend in      
                                                                    

the sand  tiger shark and teeth 

the sand tiger sharks age and length scale 

         

                                                          black tip reef shark


                      the black tip reef shark got its name do to its black tipped fins and the shark will swim in deep water near the reefs they will eat small reef fish and octopus the reef sharks offspring will swim in the shallows and the reef shark is used for its meaty fins and its liver oil the black tip reef is likely to bite the natives of tropical islands
 

                                                         

               

                                                                     mega mouth shark

                                                       mega mouth shark locations

1.                         the mega mouth shark is shark and is a filter feeder the shark is a deep water swimmer and extremely rare it is super rare to see them eat a human and they mostly eat krill ,jelly fish and plankton the mega mouth shark was found in 1976 and they have rubbery lips and are a shark that swims with its mouth open.
2.  there is only one question that I have and that is why are the mega mouth sharks eating humans.         

whale shark 

the whale shark is a shark that dos not eat fish and prefers to eat like a whale and eat krill the whale shark is 41.50 feet long they have a life span of 70 years and is the largest filter feeding shark the species originated about 60 million years ago and lived to this day the whale swims in tropical waters and can be seen from shore the shark will swim in lagoons and coral reefs the whale shark is no threat to divers but can be a danger if its mouth is open and you are in the way you may be in the mouth of the whale and trapped inside.

I think that the whale shark is safe to us and will be for a long time 

                                           

                                         Evolution of the shark

                    

                            sharks date back  450-420 million years before land and plants all shark came from the type of shark called megalodon and the shark megalodon was 67 feet long and still lives to this day and eats whales and other sharks . sharks grow 10 to 1000 teeth over a life time modern sharks look and think more different thain the sharks of the past.

cladoselache shark only found in the devonian period 370 million yaers ago a fast swimmers and at a size of 6 feet long 

teeth of the cladoselache shark 

 Helicoprion shark

 (Dmitri Bogdanov)

                                                   

                                                              crested horn shark





this shark has two dorsal fins they are both spines they are bottom duelers and and are nocturnal and eat off the reefs and all of the small organisms they prefer rocky vegetated areas they swim down (305)ft or (90)meters down and they can not harm humans and you can see the two horns on the head that gave them there name and they hide there eggs in sea weed and the crested horn baby is 22 cm long 

     in my idea of the sharks life style the shark would be a good pet