Sites: intestine, stomach
Hosts: Ameiurus nebulosus (1); Anoplopoma fimbria (11); Apodichthys flavidus (5); Artedius harringtoni (4); Chitonotus pugetensis (5); Cryptacanthodes giganteus (3); Gadus morhua (7, 10); Hemilepidotus hemilepidotus (4); Hexagrammos lagocephalus (4); Lycodes brevipes (5); Malacocottus kincaidi (5); Melanogrammus aeglefinus (8, 9); Micropterus dolomieu (1); Myoxocephalus polyacanthocephalus (4); Oncorhynchus kisutch (4, 5); Oncorhynchus tshawytscha (5); Paraplagusia bilineata (2, 4, 5); Parophrys vetulus (2, 3); Sebastes alutus (6); Sebastes babcocki (6); Sebastes borealis (6); Sebastes caurinus (6); Sebastes flavidus (6); Sebastes maliger (6); Sebastes nigrocinctus (6); Sebastes paucispinis (6); Sebastes ruberrimus (2, 6)
Distribution: Atlantic, Ontario, Pacific
Records: 1. Bangham 1941 (ON); 2. Margolis 1952a (PA); 3. Margolis 1952b (PA); 4. Arai 1967a (PA); 5. Arai 1969 (PA); 6. Sekerak & Arai 1977 (PA); 7. Appy 1981 (AT); 8. Scott 1981 (AT); 9. Scott 1982 (AT); 10. Appy & Burt 1982 (AT); 11. Kabata & Whitaker 1984 (PA)