title: [Tracheliastes polycolpus Nordm. 1832 (Lernaeopodidae) rare in Poland fish parasite in the valley of river Biebrza].
mesh_terms: D000818:Animals; D003445:Crustacea / Q000502:physiology*; D005399:Fishes / Q000469:parasitology*; D005618:Fresh Water; D006790:Host-Parasite Interactions; D011044:Poland
vernacular_title: Tracheliastes polycolpus Nordm. 1832 (Lernaeopodidae)--rzadki na terenie Polski pasozyt ryb w dolinie Biebrzy.