Publikacja w Open Access na licencji Creative Commons Attribution (CC BY) licens.

This article belongs to the Special Issue Parasitic Diseases of Fish: Identification, Host-Parasite Interactions and Molecular Biology.

This study was partially supported by a grant (subwencja naukowa) of the University of Szczecin, Poland (Institute of Marine and Environmental Studies awarded to WP,

Grant-in-aid from the Japan Society for the Promotion of Science (KAKEN) awarded to SO.

Additionally, UMS Project was awarded to BAVM,