Sharks have been around even before dinosaurs have. Scientists really dont know when but, they do know is that they are the longest living creatures in time.
Lake Managua is the only inland lake inhabited by sharks.
Long fin and short fin mako sharks are the fastest swimming sharks.
Lake Nicaragua in Nicaragua is the only freshwater lake in the world known to have Bull sharks. These sharks have adapted to the lake's environment and have been able to thrive in its freshwater conditions.
The majority of sharks in the world are 1 foot long or less.
Not long unless they are freshwater sharks
tiger sharks teeth are about 3inches long
2,342.5 angel sharks are left in the world.
More than fourty-billion sharks in the world
forever
100meters long
thersher sharks are known for their long tails
Inhabited areas of the world, like northern Russia. The term just means the inhabited part of the world.