North Pacific Ocean, off Shikabe, Hokkaido, Japan; 29 Sep 1987; host Beni-zuwai crab, Chionoecetes japonicus (Rathbun, ... [details]
Terpenia Bay in the Sea of Okhotsk, southern Sakhalin, Russia, 25. Oct 1984, host sculpin Icelus cataphractus ... [details]
near the mouth of Sarufutsu River (flowing into the Sea of Okhotsk), Sarufutsu, Hokkaido, Japan, 1 Aug 1986; host ... [details]
Hokkaido Fisheries Experimental Station, Hokadote, Hokkaido, Japan; 24 March 1994; host barfin flounder Verasper moseri ... [details]
Hokkaido Fisheries Experimental Station, Hokadote, Hokkaido, Japan; 25 March 1994; host prowfish Zaprora silenus ... [details]
host sailfin fish Arctoscopus japonicus (Steindachner, 1881), Trichodontidae, new host record; infection site skin; ... [details]
host probably Salmonidae Hucho taimen (Pallas, 1773) [details]
host: Salmonidae, genus and species unknown, infection site unknown, 1 specimen [details]
Sunpiazza Aquarium, Sapporo, Hokkaido, Japan, 4 July 1988 [details]
based on eyes, tubercle patterns, and sucker size ratios. [details]
based on tubercle patterns and the presence of papillae and a marginal fringe on the oral sucker. [details]
Neotype: Naibetsu River, Chitose, Hokkaido, Japan, 30 September 2001 [details]