A Short History of the World Chapter 4 - The Age of Fishes

In which the slow and wondrous ascent of life from simple mud-dwelling beings to the first fishes is unfolded with a gentle reflection on the mysteries of organic evolution and natural selection, casting aside ancient fixed notions of creation. We are introduced to the Devonian waters, stirred by nimble and toothy creatures, the earliest vertebrates whose story begins in the silken darkness of deep time and swims into the light of the fossil record.