7 Strange Facts About Sharks you probably didn’t know about
FACT ABOUT SHARKS– Sharks are so scary and yet so fascinating! These mighty killer fish who will tear your flesh apart have some interesting.
1. Pregnant for the longest time
Spiny Dogfish shark gets pregnant for TWO whole years! That makes it the longest pregnancies of any animal.
2. 30,000 teeth in a lifetime
Sharks have 40-45 teeth and they break down often. Interesting thing is that their teeth grow pretty fast and can often go through 30,000 teeth in a lifetime.
3. The siblings are half-siblings
Female sharks mate with multiple males to use sperms from all of them to reproduce. This results in siblings becoming half-siblings even if they are born at the same time. Weird!
4. They can hear you from miles away
They have such acute hearing that they can hear prey from 3000 miles away!
5. World’s largest and smallest sharks
The dwarf lantern shark is the smallest shark in existence measuring only 7 inches, whereas the world’s largest shark can grow to be 50 feet long and weigh 40,000 pounds or more!
6. They have to swim non-stop
Because if they don’t, they’ll drown! Sharks like Great white, mako and salmon sharks don’t have the muscles they need to pump water through their mouth and over their gills. To move out the water from their lungs, they have to keep swimming.
7. They survived the Prehistoric extinction
Sharks inhabited the earth 200 million years before the dinosaurs appeared and they are still alive while the dinosaurs aren’t.