Thank god that's not a shark, I could have been hurt
If a human is splashing in water, the shark will try to investigate. Though some species like great white sharks, tiger sharks, bull sharks, and oceanic whitetip sharks are known to attack swimmers
Only a handful of people die to sharks each year. Sharks only attack when they are confused or curious.
People are scared for their own reasons. But it could be their body. A shark is a fish with a skeleton made of cartilage, several rows of teeth that regularly fall out and replace one another, five to seven gill slits..
Then what is it about sharks that make them so terrifying
It all started when a small leaf shaped fish with no eyes evolved into two main groups of fish, bony fish (Osteichthyes) and cartilaginous fish (Chondrichthyes). Sharks are Chondrichthyes meaning their skeleton is made of cartilage. We can learn so much about sharks since cartilage cannot rot and we can analyze their skeleton
How did their body become like this?
First came The Precambrian Supereon, about 4.6 billion years ago. This was categorized by a complete lack of animal life. Next up was The Paleozoic Era (545-250 million years ago) which marked the evolution of single-celled organisms to sharks and bony fishes. The Mesozoic Era marked the birth of all modern shark families. And finally modern day sharks, The Cenozoic Era.
How exactly did sharks become like they are today?