* Eustrongylides sp. Sites: body cavity, musculature, ovaries, viscera Hosts: Catostomus commersonii (1, 2, 3, 21); Catostomus macrocheilus (3); Cottus asper (3, 15); Cottus cognatus (12, 14); Gasterosteus aculeatus (3, 7, 9, 22); Entosphenus tridentatus (3); Lepomis gibbosus (11); Lota lota (12, 13, 14, 15); Mylocheilus caurinus (3, 14); Oncorhynchus clarkii (3, 10); Oncorhynchus kisutch (4); Oncorhynchus mykiss (10, 12, 14, 15); Perca flavescens (5, 6, 8); Prosopium cylindraceum (3); Prosopium williamsoni (3, 12, 13, 14, 15, 20); Ptychocheilus oregonensis (12, 13, 14, 15); Salvelinus fontinalis (16, 17, 18, 19); Salvelinus malma (3, 12, 14); Salvelinus namaycush (3, 15); Sander canadensis (5, 6); Sander vitreus (6) Distribution: British Columbia, New Brunswick, Ontario, Quebec Records: 1. Bangham 1941 (ON); 2. Bangham & Venard 1946 (ON); 3. Bangham & Adams 1954 (ON); 4. Godfrey 1968 (BC); 5. Dechtiar 1972a (ON); 6. Dechtiar 1972b (ON); 7. Hanek & Molnar 1974 (QC); 8. Molnar et al. 1974 (ON); 9. Lester 1974 (BC); 10. Hoskins et al. 1976 (BC); 11. Cone & Anderson 1977 (ON); 12. Anon. 1978 (ON); 13. Anon. 1981 (BC); 14. Arai & Mudry 1983 (BC); 15. Anon. 1984 (BC); 16. Frimeth 1986 (BC); 17. Frimeth 1987a (NB); 18. Frimeth 1987b (NB); 19. Marcogliese & Cone 1991a (NB); 20. Nener et al. 1995 (BC); 21. Couillard et al. 1995 (QC); 22. Reimchen 1997 (BC)

Published as part of Arai, Hisao P. & Smith, John W., 2016, Guide to the Parasites of Fishes of Canada Part V: Nematoda, pp. 1-274 in Zootaxa 4185 (1) on page 21, DOI: 10.11646/zootaxa.4185.1.1, http://zenodo.org/record/165530