A new publication in the Journal of Fish Biology compares the diet of fish caught during different expeditions on board icebreaker Polarstern. This provides a more complete picture of their food sources in the central Arctic Ocean, which can contribute to nature management and fisheries policy in this area. A new publication in the Journal of Fish Biology compares the diet of fish caught during different expeditions on board icebreaker Polarstern. This provides a more complete picture of their food sources in the central Arctic Ocean, which can contribute to nature management and fisheries policy in this area. Plants & Animals Ecology Phys.org – latest science and technology news stories