Researchers are puzzling: Rare animals are reappearing on the North Sea coast after 100 years. People should report seahorse finds to the WWF with a photo in the Beach Explorer app.

Seahorses are acutely threatened by the destruction of their preferred habitats and by fishing - several million are caught as bycatch every year. In Asia they are also caught as medicine and sold as powder. Their popularity among tourists as souvenirs is also increasingly becoming a downfall for the little animals. You can find even more exciting animal topics in the free partner newsletter from Landtiere.de.