Acta Parasitologica

, Volume 59, Issue 2, pp 323–330 | Cite as

Hysterothylacium gibsoni sp. nov. and H. tetrapteri (Bruce et Cannon, 1989) (Nematoda: Ascaridida) from the Chinese marine fishes

  • Zhen Xu
  • Liang Li
  • Lu-Ping Zhang
Original Paper


A new species of ascaridoid nematode, Hysterothylacium gibsoni sp. nov., is described based on specimens collected from the intestine of the slender lizardfish Saurida elongata (Temminck et Schlegel) (Aulopiformes: Synodontidae) in the Yellow Sea, China. The new species differs from its congeners by its small body size (12.8–13.2 mm), the absence of cervical alae, a very short intestinal caecum (representing 8.86–9.52% of oesophageal length) and a long ventricular appendix (intestinal caecum to ventricular appendix ratio 1:15.3–20.0), short spicules (0.38–0.41 mm, representing 2.97–3.11% of body length), the number and arrangement of the caudal papillae (25–28 pairs arranged as follows: 18–22 pairs precloacal, 3 pairs paracloacal, and 3–4 pairs postcloacal). In addition, Hysterothylacium tetrapteri (Bruce et Cannon, 1989) is also redescribed based on the material collected from the striped marlin Kajikia audax (Philippi) (Perciformes: Istiophoridae) in the South China Sea.


Ascaridida Hysterothylacium taxonomy new species marine fishes 


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Copyright information

© Versita Warsaw and Springer-Verlag Wien 2014

Authors and Affiliations

  1. 1.Medical College of Hebei University of EngineeringHandan, Hebei ProvinceP. R. China
  2. 2.Key Laboratory of Animal Physiology, Biochemistry and Molecular Biology of Hebei Province, College of Life ScienceHebei Normal UniversityShijiazhuang, Hebei ProvinceP. R. China

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