In this week's episode of Wild Oceans, we head to Mozambique, where underwater cameraman Bart Lukasik films an unlikely relationship between a red sea urchin and a blue crab, a handful of hermit crabs with rather cumbersome-looking shells and some incredibly well-camouflaged species you wouldn't even know were there! br br Earth Touch: br br EarthTouch on Facebook br br br EarthTouch on Twitter br br br EarthTouch on Google+ br