When the Octonauts, a team of eight animals who explore the ocean, discover a bleached and abandoned coral reef, they learn about the important relationships among animals, plants, and their habitats.

"Deen is going to the coral reef. Practice reading words with 'ee' as you join him on his adventure!"

With help from their cousin Harry, eight-year-old twins Ella and Ethan discover who is illegally taking coral from the reefs near their aunt and uncle's beach house on the shore of Australia's Coral Sea.

The coral reef in this book is like a marine nursery, teeming with mamas and babies! In the age-old way of kids and fish, children will count and clap to the rhythm of "Over in the Meadow" while pufferfish "puff", gruntfish "grunt" and seahorses "flutter". The colorful art is fresh and fun-constructed entirely from polymer clay-and invites young fingers to fashion fishy forms

"The fairies are going green! The fairy king and queen have just put together a new team of seven fairies for a very special mission. They are the Earth Fairies! Together, they're going to work their magic to clean up the environment. But they can't do it alone. Luckily, Rachel and Kirsty are ready to help! Coral the Reef Fairy's magic keeps the reef environment healthy. But Jack Frost's goblins have her wand and underwater environments everywhere...

"Rainbow fish and his friends should have known better than to leave the safety of their schoolyard in the Coral Reef. But Old Nemo's epic tales of the sea have sparked their curiosity..."

Coral Reef City is home to the most dazzling shoals of tropical fish in ALL the ocean. And then there is Terry. Terry looks gray. Terry feels dull. And although he is the best at playing Hide A Fish, he can't help but wonder. Just what would it feel like to be part of that dashing, flashing crew? So, with the help of his friends, he fashions a flashy costume and is ready to impress... Hello-o-o everybody! Just call me TROPICAL Terry! But will life...

The inhabitants of a coral reef are threatened when a shady real estate deal started by the greedy Groper floods their area with poisonous waste.

A man decides to earn his living by showing others the wonders of an underwater reef.

Cuando los Octonautas visitan la Gran Ciudad Arrecife, descubren que el que una vez fue un animado lugar, ahora se ha convertido en una ciudad fantasma. El colorido coral se ha vuelto de un blanco espeluznante y está completamente abandonado. La tripulación debe explorar los hábitats vecinos y buscar pistas sobre este misterio.