A side-shuffler with nippy claws. A gentle giant who can sing. Which creature is on the next page? Discover a gorgeous book for all those who love water dwellers, or following clues.

I have eight long, flexible arms.
Which creature am I?

Swimming, gliding, croaking, or clawing . . . can you guess which underwater creature will appear next? Follow the clues from page to page, from tail to head, to discover whether it is a crab or an eel, a frog or a starfish, an octopus or a seahorse, or . . . what is that sneaking in the water? With beautiful, fluid illustrations inspired by nineteenth-century prints, this intriguing guessing game—a follow-up to Heads and Tails and Heads and Tails: Insects—will have curious children diving right in.