title: Seasonality and host-parasite interrelationship of<i>Hysterothylacium aduncum</i>(Nematoda) in whiting<i>Merlangius merlangus</i>off the southern and northern coasts of the Black Sea
abstract: Summary In the present study, we investigated the comparative infection levels, ecology and host-parasite interrelationship of a nematode Hysterothylacium aduncum (Rudolphi, 1802) in whiting, Merlangius merlangus (L., 1758) in southern (Sinop) and northern (Balaklava Bay) coasts of the Black Sea for the first time. Fish were collected throughout a period from May 2011 to March 2014 from local fishermen. A total of 690 fish specimens near Sinop and 423 fish near Balaklava Bay were examined for pa
journal: Helminthologia