Location of the study area: (a) Map of Northern Europe showing the location of the “Fehmarn Belt” Marine Protected Area (MPA), (b) the MPA between Denmark and Germany, historical and recent records of Crossaster papposus in the area of interest, and (c) the records of C. papposus in the designated reef area.
Figure 2
Top view on Crossaster papposus recorded with a drop camera system. The specimens were found in the “Fehmarn Belt” MPA (Baltic Sea).