In this process of unearthing our evolutionary tree, Shubin shows us how there is an entire zoo inside our body. The book goes on to explain the evolution of the human body by tracing the origin of different body components like genes, limbs, skull, eyes and skeletal frames to their ancestors. These and other characteristics make Tiktaalik an important evolutionary link between fish and land animals. However, its head resembles a crocodile’s with nostril-like openings and its fins have wrist-like bones which could have been used to support its body in shallow water, like four-legged animals. Tiktaalik is classified as a fish because it had gills and scales.
This extinct fish belongs to the late Devonian period and lived on Earth about 375 million years ago. The book begins with an account of the discovery of the fossil fish Tiktaalik in an expedition by Shubin and his team to the Ellesmere island in the Arctic. The book provides a fresh perspective on evolution by presenting new evidence and many fantastic facts which can be easily understood by the lay reader. He is currently the Associate Dean of Organismal Biology and Anatomy and Professor on the Committee of Evolutionary Biology at the University of Chicago. Shubin earned a PhD in organismic and evolutionary biology from Harvard University in 1987. Your Inner Fish is the story of evolution told by a palaeontologist cum evolutionary biologist, Neil Shubin. Book Reviewed Your Inner Fish: The Amazing Discovery Of Our 375-Million-Year-Old Ancestor.
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