I often hear people talk about "Prehistoric Fish' " such as the musky or pike or bowfin, snakehead and so on. But in reality all fish including largemouth and smallmouth are prehistoric. Ariving in the late Pleistocene, early holocene. These modern species have been around about 800,000 years. roughly 600,000 years longer than we humans have been on Earth. So next time you think about "prehistoric Fish" don't limit yourself to the standard train of thought, all fish are prehistoric.