eels. the multi net is lifted on board. it gathers samples from several depths between 0 and 400 meters. plankton experts cornelia aspers skills are needed. after hours of rinsing counting classifying. it becomes clear which organisms contribute to the food chain out here as our fossil see. yeah funny. we catch small in love and cut them open we remove the stomach and use molecular methods to determine what they eat jellyfish don't have skeletons as a result they get digested immediately that makes it really hard to use normal methods like microscopes to find traces of such organisms but now we have molecular