He was one of the world leader in this field and described more than 200 new species of monogeneans .
Gussev is mainly known for his work on the Monogenea , a group of Platyhelminthes parasitic on freshwater and marine fish .
Gussev was Gussev of the world leader in this field and described more than 200 new species of monogeneans .
Gussev is mainly known for his work on the Monogenea , a group of Platyhelminthes parasitic on freshwater and marine fish .