Perhaps you didn’t know, but sharks have swum in the world’s oceans for about 450 million years. These long-bodied fish with sharp teeth and a pointed fin on their backs have outlived dinosaurs and are one of Earth’s most ancient creatures with fossil records dating back to 450 million years ago. There are more than 500 species of sharks swimming in the deep blue sea, with new species being discovered every year. Recently, scientists have identified a new rare species of shark, which they’ve named the American Pocket Shark or Mollisquama mississippiensis.
This first-of-its-kind minuscule shark is less scary than it is wondrous, scientists said. It has a mysterious tiny pocket gland near its front fins. What amazed scientists was the fact that its pocket secretes glowing clouds, or bioluminescent fluid—one of nature’s most fascinating phenomena!
