Labelled the butterflies of the sea, we often ask ourselves why are marine flatworms so vibrantly coloured? Is it simply that they can be, therefore they are? Or is there a deeper significance?
Scott Ramsay adventures take him to iSimangaliso Wetland Park on the east coast of South Africa, where he indulges in the underwater treasures of the ocean at Rocktail bay.
We go diving with cow sharks; a shark with very few modern adaptations that makes them one of the closest links we have to dinosaurs.