Arabian Seas: Series 1 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.

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.