How many shark species are threatened?

According to IUCN analysts, among the approximately 470 species of sharks, 2.4 percent are Critically Endangered, 3.2 percent are Endangered, 10.3 percent are Vulnerable, and 14.4 percent are Near Threatened.

What is the rarest species of shark?

Speartooth Shark
Speartooth Shark – Endangered The speartooth shark (Glyphis glyphis) is one of the rarest shark species on earth, found only in tropical rivers in New Guinea and northern Australia. The speartooth shark is not targeted by fisheries for its meat or fins, but it may be accidentally caught in fishing nets as by-catch.

What is the youngest species of sharks?

Hammerhead shark evolution The youngest living group of sharks are thought to be the distinctive hammerhead sharks.

Are Megalodons still alive?

Megalodon is NOT alive today, it went extinct around 3.5 million years ago. Go to the Megalodon Shark Page to learn the real facts about the largest shark to ever live, including the actual research about it’s extinction.

Why are sharks failing?

Study finds sharks are ‘functionally extinct’ in 20% of reefs observed. This decline has occurred largely due to destructive and unsustainable fishing techniques. Illegal and irresponsible fishing has left sharks ‘functionally extinct’ in many of the world’s reef ecosystems, a new study says.

Are sharks killed for their teeth?

Unfortunately the shark tooth trade is one place to put some guilt of the declining shark populations around the world. Sharks are being killed for their fins, teeth, liver and skin and shark can be found in many more products than you would think. Sharks are an extremely important part of ocean ecosystems.

When did the first shark appear in the ocean?

The first sharks appeared in the oceans over 440 million years ago. Listed below are extant species of shark. Sharks are spread across 512 described and 23 undescribed species in eight orders.

Which is the most common shark in the world?

Great white sharks are one of the most popular shark species that are found throughout all major oceans. They are members of an order of sharks commonly known as mackerel sharks, which has many familiar species of sharks under its umbrella, including some unusual species such as the megamouth shark and the goblin shark.

What kind of shark has a long snout?

Pristiophoriformes, commonly known as sawsharks, are an order of sharks with unique long saw-like snouts. There are eight species within this order, with the most known species being the Bahamas sawshark, the common sawshark, and the shortnose sawshark.