Arabian Seas • 2018 • 3 episodes • 4h:00m

The waters bordering the Arabian Peninsula are home to a host of unique marine animals: from predators like zebra sharks and giant stingrays, to camouflage kings like the cuttlefish and sea horse, to occasional visitors like the migrating whale shark and hawksbill turtle. Wade into this little-seen world of ocean oddities.

Island Feast

Despite the scorching heat, a cold upwelling of nutrients in the Gulf of Oman creates favorable conditions for a host of marine migrants. The behemoth whale shark, hawksbill turtle, and millions of tiny, exotic fish settle in to feast. Take a plunge into the algae-cloaked coral reefs of this underwater tapestry.

3/5 • 2018 • Nature

Defenders of the reef

In the Gulf of Oman, survival is all about defense. Some species of sea urchins and sea slugs rely on toxins to keep predators at bay, while guitarfish use their size and armored bodies to stay off the menu. Peek into a little-known reef where fortune favors the bold and the well-prepared.

4/5 • 2018 • Nature

A Turtle's Legacy

The sea turtle is one of the oldest animals on Earth. These ancient mariners pre-date the dinosaurs and have existed for over 100 million years, but now all seven of the surviving species are endangered.

5/5 • 2018 • Nature