The harlequin shrimp is one of the most charismatic underwater creatures around - and one of the most difficult to capture on film. Cameraman Bart Lukasik goes diving in Mozambique to discover the habits of this creature, including its insatiable appetite for starfish.

Mangroves and corals in a two-for-one dive

Oceans cover 71 percent of the Earth's surface - that's a lot of space to explore! From estuaries to coral reefs and kelp forests, Earth Touch's underwater crew is telling the stories of the deep blue - one extraordinary dive at a time