Angel sharks are sharks, but with their peculiarly flat body they rather resemble rays. An international research team led by Faviel A. Lopez-Romero and Jurgen Kriwet of the Institute of Palaeontology has now investigated the origin of this body shape. The results illustrate how these sharks evolved into highly specialised, exclusively bottom-dwelling ambush predators and thus also contribute to a better understanding of their threat…

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Source: archeo