Come with us on a deep dive through the ocean zones. Meet some of the most unusual creatures from the sea and hear their stories about how they have changed over millions of years to survive in the inky ocean depths.

Discover why the deepsea flounder is as flat as a pancake, learn all about the 500-million-year-old comb jelly and find out why yeti crabs are so hairy. From the barreleye fish to the tripod spiderfish, prepare to be amazed by the incredible creatures that inhabit our seas.

From the award-winning creator of The Illustrated Encyclopaedia of Ugly Animals, The Illustrated Encyclopaedia of Dangerous Animals and The Illustrated Encyclopaedia of Peculiar Pairs in Nature.