Shark-free shark-filled waters

underwater.jpegInvestigator Allan Coukell sent in an example of the “chicken noodle soup is 95% chicken-free” phenomenon. A press release from the University of Aberdeen begins:

Oceans are 70% shark free — Absence of sharks from abyssal regions of the world’s oceans

Marine scientists have discovered that the deepest oceans of the world would appear to be shark free. In a paper published today, an international team of researchers, led by the University of Aberdeen, reveal that sharks have failed to colonise at depths greater than 3,000 metres….

The paper is: “The absence of sharks from abyssal regions of the World?s oceans,” I.G. Priede, et al., Proceedings of the Royal Society B: Biological Sciences.