Danube salmon (huchen) (Hucho hucho), also known as Medica, is one of four species of the genus Hucho. The other three species are found in Asia. This is one of the largest fish of the mountain rivers, the length of which reaches 180 cm, weight — 60 kg. Species is considered a relict form of the trout, once widely distributed in water bodies of Eurasia.
Danube taimen is a species that a few decades is under threat of extinction. In the list of rare and endangered fishes of Europe referred to the first category, listed in the International Red book.