Experts from the Alfred Wegener Institute and the Universities of Oldenburg and Potsdam, Germany, have confirmed the existence of a new cryptic amphipod species in the North Sea. For the first time for the description of a new species, they used a level of mitogenomic information, which was normally applied in other areas of genetics. The discovery of Epimeria frankei has been reported in the journal Scientific Reports. In the future, this level of molecular information could revolutionise biodiversity research.