The warm, sunlit waters near the Equator hold one of the most diverse ecosystems on the planet and coral reefs hold one quarter of all marine species found in the oceans.
Sharks have long been the symbol of all that is fearful in the planet's oceans. However, as this episode reveals, there's more to sharks than meets the eye.
All creatures are driven by the goal of passing on their genes and giving their young the best chance for success. This episode reveals the means of achieving this aim.
How, for thousands of years, the mysteries of the ocean and its hidden creatures have inspired countless myths and legends.
The secret life of ocean creatures, which rely on size, speed, and strength to survive. There is another trait, perhaps the most powerful one of them all, that of family.
Animals depend on more than just food for survival, as just like human beings, they need shelter to protect themselves and their young.