Fish & Marine Life

Did you know jellyfish aren’t really fish? These invertebrates have been around for millions of years. Listeners will enjoy discovering all the details about these interesting animals.

You see a fin poke out of the water. It’s a big gray animal with a friendly face. It looks like a dolphin, but is it a porpoise? Dolphins and porpoises are similar, but they have some important differences. Find out how their fins, mouths, teeth, and behaviors can all help you tell these two animal look-alikes apart.

There are 13 different kinds of otters. But sea otters are the only kind that spends their whole lives in water! Listeners will enjoy learning all they can about these cute mammals.

The icy cold Arctic is home to both the powerful polar bear and intelligent orca, two mighty predators. But which animal is the fiercest of the ecosystem? Does the polar bear’s patience in stalking its prey and strength in attack put it on top? Or does the orca’s ability to work in a pod give it the edge?

Hi, there! I'm a great white shark. Don't let my sharp teeth scare you off. I started life much smaller, just like you!

When David goes to visit the Marshall Islands, he learns and does many things he never thought he’d do, like swimming with sharks and sleeping in a hut! Best of all, he meets his cousin Betra, a girl with no fear who shows him all the fun things to do on the island. But then David learns a dark truth about the islands. A sea turtle is in danger, and he’s not allowed to help the poor animal. What should he do? Will he break the rules to save the turtle’s life? Or will Grandfather have the final say?

Mimi's school friends love playing hide-and-seek at recess. All of her classmates are great at camouflaging, which means they are great hiders. But no matter how hard she tries, Mimi can't change colors. She's convinced that since she's the smallest in the class, she will never be able to camouflage. Does being small mean that Mimi will always be bad at hiding?

Hi, there! I'm a sea turtle. I spend most of my days surfing in warm waters, but I started life much smaller! Learn more about my life cycle and how I went from a tiny little egg to a hatchling to an adult.

When a group of whales live together, it's called a pod. Learn about life inside a pod of whales and why these animals like to stick together. Find out how living together with others helps whales hunt for food, communicate with one another, and raise their young.

Blue scales. Pink wings. Purple feathers. The animals in this book are far from boring.

A killer whale launches into the air creating a huge wave as it crashes back into the ocean. Find out how these great mammals live in the freezing waters of the Arctic. Learn what killer whales eat, and how they work together to hunt.

From sun up to sundown, this nonfiction book takes young nature explorers and zoologists through a day in the life of the emperor penguin. Discover their Antarctic home, eating habits, and fascinating behaviors. Plus, kids can continue exploring after the penguins go to sleep!

There’s a new baby joining the colony. It’s a sea lion pup! Learn all about baby sea lions, including what they eat, what they weigh, how they’re raised, and how big they grow.

There’s a new baby joining the pod. It’s a dolphin calf! Learn all about baby dolphins, including what they eat, what they weigh, how they’re raised, and how big they grow.

Great white, bull, and tiger sharks are some of today’s most talked-about sharks. But have you met the sharks of yesterday? Each prehistoric shark had its own amazing—and sometimes strange—features. The scissor-tooth shark had teeth in a spiral shape. The giant megalodon was about three times the size of a great white. One small prehistoric shark had a big dorsal fin in the shape of an ironing board!