Impressive predators: How Hagenbeck’s zookeepers tame the sharks 31. July 202125. July 2021 animal welfare, education, media-echo Published on mopo.de the 19.07.2021. How do you interact with the sharks in an aquarium? After all, they are very impressive predators. The article provides insights into the work of the aquarium of Hagenbeck Zoo. » to the full article