Top 10 Prehistoric Fish Alive Today

Top 10 Prehistoric Fish Alive Today 10 Hagfish According to the fossil record, hagfish have existed for over 300 million years, which means they were already old when dinosaurs took over the world! Found in relatively deep waters, these animals are sometimes called slime eels, but they are not really eels, and actually, they may not even be fish at all,according to some scientists. They