In this episode we visit the National Park in American Samoa with ecologist Tim Clark. We’ll be doing some underwater surveying, looking for outbreaks of the crown of thorns starfish, which is devastating reefs across the Pacific. Tim and his team are also mapping fish habitat in the park, and he’ll talk about the tools and technology they use in their dives.

Watch the trailer for Season 2, Episode 8 on Vimeo or Youtube.