FAMILIES OF THE DEEP BLUE SEA Do you know how saltwater families live? What would it be like to grow up with a tail and fins? We expect to see fish living in water, but what about mammals like polar bears, walruses, and whales, or birds such as penguins, or reptiles like sea turtles? They spend most of their lives in the water, too.How would it feel to be born, to grow, to play and explore the way these ocean-dwelling animals do? Here's your chance to find out. Jump in and learn the saltwater secrets of growing up in the sea!