Sites: body cavity, circulatory system, eye, gills, intestine
Hosts: Aplodinotus grunniens (7, 13); Aulorhynchus flavidus (5); Catostomus catostomus (9); Catostomus commersonii (10, 11, 14); Coregonus artedi (3, 4); Coregonus clupeaformis (3, 4); Esox niger (2); Hypentelium nigricans (11); Lepomis gibbosus (1); Micropterus dolomieu (8); Micropterus salmoides (12); Morone saxatilis (15); Osmerus mordax (4); Perca flavescens (2, 7, 8); Pholis laeta (5); Platichthys stellatus (5, 6); Prosopium cylindraceum (3, 4, 14); Salvelinus fontinalis (2)
Distribution: Ontario, New Brunswick, Pacific, Quebec
Records: 1. Bangham 1941 (ON); 2. Fantham & Porter 1948 (QC); 3. Bangham 1951 (ON); 4. Bangham 1955 (ON); 5. Arai 1967a (PA); 6. Arai 1969 (PA); 7. Dechtiar 1972a (ON); 8. Dechtiar 1972b (ON); 9. Hanek & Molnar 1974 (QC); 10. Molnar et al. 1974 (ON); 11. Mackie et al. 1983 (ON); 12. Dechtiar & Christie 1988 (ON); 13. Dechtiar & Nepszy 1988 (ON); 14. Dechtiar et al. 1989 (ON); 15. Séguin et al. 2011 (NB, QC)