Survival in the remote open oceans is tough and baby turtles use debris as rafts to stay afloat while the Portuguese man-of-war sail along hunting for fish. There's also footage of the "boiling sea" effect created by lanternfish being trapped on the surface of the water by predators.

The 620,000 kilometres of the world's diverse coastlines are a window to our oceans. After 60-mile journeys for food, puffins try to feed their young while dodging the attention of skuas.