Capillaria (Procapillaria) gracilis (Bellingham, 1840) Travassos 1915

• Main Authors: Arai, Hisao P., Smith, John W.
• Format: Text
• Language: unknown
• Published: Zenodo 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Nematoda; Adenophorea; Trichocephalida; Capillariidae; Capillaria; Capillaria gracilis; Canada; Northwest Atlantic
• Online Access: https://dx.doi.org/10.5281/zenodo.5626590; https://zenodo.org/record/5626590

Capillaria ( Procapillaria ) gracilis (Bellingham, 1840) Travassos, 1915 Synonym: Capillaria kabatai Inglis & Coles, 1963 Description (after Moravec 2001). With characteristics of the genus. Males: Body length 7.14–8.42 long, maximum width 0.041–0.054. Muscular oesophagus 0.180–0.396 long, stichosome 4.04–6.85, 47 stichocytes. Nerve ring 0.111 from anterior end. Spicule slender, 0.975–1.375 long, posterior half with rough transverse grooves (Fig. 19 A). Cloaca opening subterminal. Tail rounded, 0.009–0.018 long, with ventro-lateral lobe, 0.018–0.027 long, on either side, each probably with a papilla (Fig. 19 B). Pair of large sessile adcloacal papillae at lobe bases. Females: Gravid worms 13.20–35.16 long, maximum width 0.068–0.095. Muscular oesophagus 0.225–0.450 long, stichosome 5.04–8.73, 38–51 stichocytes. Nerve ring 0.081–0.114 from anterior end. Vulva with appendage 0.027–0.123 behind oesophago-intestinal junction (Fig. 19 C); rarely gravid females lack the appendage. Uterus with many eggs in one row near vulva. Mature eggs 0.072–0.090 x 0.027–0.036. Site: intestine Hosts: Anarhichas lupus (2); Hippoglossoides platessoides (2); Hippoglossus hippoglossus (2); Macrourus berglax (3); Merluccius albidus (4); Merluccius bilinearis (1); Myoxocephalus octodecemspinosus (5); Nezumia bairdii (3); Urophycis chuss (4); Urophycis tenuis (4) Distribution: Atlantic Records: 1. Gaevskaya & Umnova 1977; 2. Zubchenko 1980; 3. Zubchenko 1981a; 4. Scott 1987; 5. Moravec 1987 : 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 pages 25-26, DOI: 10.11646/zootaxa.4185.1.1, http://zenodo.org/record/165530 : {"references": ["Moravec, F. (2001) Trichinelloid Nematodes Parasitic in Cold-Blooded Vertebrates. Academia, Praha, 429 pp. http: // dx. doi. org / 10.14411 / fp. 2002.007", "Gaevskaya, A. V. & Umnova, B. A. (1977) [On the parasite fauna of the principal commercial fishes of the northwest Atlantic.] Biologiya Morya (Vladivostok), 4, 40 - 48. [In Russian]", "Zubchenko, A. V. (1980) Parasitic fauna of Anarhichadidae and Pleuronectidae families of fish in the northwest Atlantic. International Commission for Northwest Atlantic Fisheries, Selected Papers, No. 6, 41 - 46.", "Zubchenko, A. V. (1981 a) Parasitic fauna of some Macrouridae in the northwest Atlantic. Journal of Northwest Atlantic Fisheries Science, 2, 67 - 72. http: // dx. doi. org / 10.2960 / j. v 2. a 8", "Scott, J. S. (1987) Helminth parasites of the alimentary tracts of hakes (Merluccius, Urophycis, Phycis: Teleostei) of the Scotian Shelf. Canadian Journal of Zoology, 6, 304 - 311. http: // dx. doi. org / 10.1139 / z 87 - 047"]}