Figure 5: Bioinspired topographies to deter fouling.
From: Trends in the development of environmentally friendly fouling-resistant marine coatings

The scanning electron micrographs show the skin denticles of spinner shark in face (a) and end (b) views and (c) image of Sharklet AF topography moulded in PDMSe. Scale bars are (a) 500 μm, (b) 250 μm and (c) 20 μm. Images courtesy of: Professor A.B. Brennan.