With the help of talking objects he finds on the way to seek advice from Hotsiko the hawk, Crane is able to save his fine fat fishies from a marauding fox from Mount Fuji.
Examines the world of fishes--from terrifying sharks to graceful sea horses--using a series of questions such as "What if a lungfish crawled out of the water?" and "What if a coral didn't build reefs?".
Explores how the behavior of a fish or amphibian changes as it adapts to its environment and examines the physical structures that distinguish these animals from each other.