Camallanus sonaiensis sp.n. (Camallanidae), a new species of nematode from Heteropneustes fossilis collected from Assam, India


During the study fishes of the species Channa striatus, Heteropneustes fossilis, Anabas testudineus, Channa punctata were collected and examined for ecto as well as endoparasites. However, a new species of parasitic nematode of the genus Camallanus Railliet and Henry (Rev Parasitol 39:117–129, 1915) is described only from intestinal region of Siluriformes fish Heteropneustes fossilis Bloch (1794). Buccal capsule of the new species is slightly longer than width marked internally by 9–10 beaded longitudinal ridges in lateral view, 1–2 dorsal and ventral ridges incomplete that differs from other related species. It also differs on the basis of body measurements, maximum width/length ratio of buccal capsule, number and length of spicule, tridents nature, number and arrangement of caudal papillae in the posterior end. Due to differences in many aspects from the related congeners, the present species is proposed as new to the science. The present study deals with the morphological and morphometric description of Camallanus sonaiensis sp.n. from Assam, India.

This is a preview of subscription content, access via your institution.

Fig. 1
Fig. 2


  1. Agrawal V (1967) Some new Camallanoidea (Spirurida) nematodes from fishes, amphibians and reptiles. Ann Parasit Hum Comp 42:327–342

    CAS  Article  Google Scholar 

  2. Arya, S.N. (1978). A new nematode, Camallanus kumaoni n. sp. (Camallanoidea) from a freshwater fish. Revta Bras. Biol., 40(3): 463–465.

  3. Arya SN, Nama HS (1993) A new nematode Camallanus satyapali sp. n. from the freshwater fish of India. Indian J Helminth 45:120–123

    Google Scholar 

  4. Bashirullah AKM (1974) Two new nematodes species of Camallanus Railliet and Henry 1915 from freshwater fishes of Dacca Bangladesh. Nor J Zool 22:57–60

    Google Scholar 

  5. Bhalerao GD (1942) Some metacercarial forms of Clinostomatidae (Trematoda) from India. Proc Indian Acad Sci 16:67–71

    Google Scholar 

  6. Binky K, Ranibala T, Shomorendra M, Kar D (2011) Diversity of Helminth Parasites in fishes of Karbala Wetland in Cachar District of Assam. Environ Ecol 29(1):20–21

    Google Scholar 

  7. Chakravarthy GK (1942) On the nematode Camallanus salmonae from Kashmir. Curr Sci 11:441–442

    Google Scholar 

  8. Das P, Bordoloi SC (1997) Fish fauna of a Torrential River (Baisistha) in Kamrup District Assam, India. Journal of Inland Fisheries society of India 29(1):54–58

    Google Scholar 

  9. Das D, Goswami MM (2014) Helminth infection in Anabas testudineus of three wetlands of Goalpara, Assam. J Appl Nat Sci 6(2):677–679

    Article  Google Scholar 

  10. Dey SC (1981) Studies on the hydrobiological conditions of some commercially important Beels of Kamrup district of Assam and their bearing on fish production, Final technical report, N.E.C., 177pp

  11. Dutta PN, Lahon B (1987) Prospects and potentialities of beel fishery in Assam. In: Compendium of workshop on development of Beel fishery in Assam, pp 1–7

  12. Fang W, Luo D (2007) A new Enteric Nematode of Camallanus (Nematoda: Camallanidae) from Jiyu Island of Amoy (Taiwan Strait). J Parasitol 93(5):1128–1131

    Article  Google Scholar 

  13. Fernando CH, Furtado JI (1963) A study of some helminth parasites of freshwater fishes in Ceylon. Z Parasitenkd 23:141–163.

    Article  Google Scholar 

  14. Gupta R (1962) Two new species of the rare genus Schwartz itrema (Vigueras, 1940) Vigue-ras, 1941 (Trematoda: Strigeidae). Proc Nat Sci India 32:387–392

    Google Scholar 

  15. Gupta SP, Verma SL (1978) On four new species of the genus Camallanus (Family: Camallanidae Railliet and Henry, 1915) from freshwater fishes of Lucknow. Rev Parasitol 39:117–129

  16. Gupta V, Bakshi R (1980) Nematode parasites of fishes I. Three new nematode species from freshwater fishes of Lucknow. Indian J Helminth 31:157–168

    Google Scholar 

  17. Gupta V, Bakshi R (1983) Nematode parasites of fishes III. On two new spirurids from the intestine of the freshwater fishes of India. Rev Parasitol 44:179–185

    Google Scholar 

  18. Justine JL, Briand MJ, Bray RA (2012) A quick and simple method, usable in the field for collecting parasites in suitable condition for both morphological and molecular studies. Parasitol Res 111(1):341–351

    Article  Google Scholar 

  19. Kabre GB, Petter AJ (1997) Camallanus polypteri n. sp. (Nematoda: Camallanidae) in freshwater fishes from Burkina Faso. Onderstepoort J Vet Res 64:33–37

    CAS  PubMed  Google Scholar 

  20. Kakar A, Bilqees FM, Iqbal A, Panezei MA, Mukhtar GES (2013) A new nematode Camallanus boomkeri from the fish, Channa orientalis (Oestiechthyes:Channidaes) in freshwaters of Panjgur, Balochistan. J Anim Plant Sci 23(5):1333–1341

    Google Scholar 

  21. Kar D (2005) Fish Fauna of river Barak of Mizoram and Tripura with a note on Conservation. J Freshw Biol 1:16

    Google Scholar 

  22. Kar D (2010) Biodiversity conservation prioritization. Swastik Publication, New Delhi, p X+180

    Google Scholar 

  23. Khan D, Yaseen T (1969) Helminth parasites of fishes from East Pakistan 1. Nematodes. Bull Dep Zool Univ Punjab NS Article 4:1–33

    Google Scholar 

  24. Khera S (1954) Nematode parasites of some Indian vertebrates. Indian J Helminth 6:27–33

    Google Scholar 

  25. Margolis L, Esch GW, Holmes JC, Schod GA (1982) The use of ecological terms in parasitology. Report of an ad-hoc Committee of the American Society of Parasitologists. J Parasit 68:131–133

    Article  Google Scholar 

  26. Moorthy VN (1937) Camallanus sweeti, new species of Camallanidae (Nematoda). J Parasitol 23:302–306

    Article  Google Scholar 

  27. Pearse AS (1933) Parasites of Siamese fishes and crustaceans. J Siam Soc Suppl 9(2):179–191

    Google Scholar 

  28. Railliet A, Henry A (1915) Sur les nematodes du genre Camallanus Raill, and Henry, 1915 (Cucullanus auct., non Mueller, 1777). Bull Soc Pathol Exot 8:117–119

  29. Rasheed S (1970) Some new and known camallanid parasites of marine food fish from Pakistan. Revista de la Sociedad Mexicana de Historia Natural 31:193–210

  30. Romen S, Kar D (2014) Abundance and distribution of Helminth parasites in the fishes of Sone Beel, The Biggest Wetland in Assam. Int J Sci Res 3(12):2277–8179

    Google Scholar 

  31. Sahay U, Narayan S (1968) A new nematode Camallanus thaparus from Channa (Ophiocephalus) striatus (Bloch). Indian J Helimnth 20(2):118–124

    Google Scholar 

  32. Siddiqi MN, Khattak AR (1984) Three new species of nematodes from fishes of N. W. F. P. (Pakistan). Pak Vet J 4(1):7–11

    Google Scholar 

  33. Singha R, Shomorendra M, Kar D (2015) Parasite infection of three freshwater fishes in Dolu Lake, Silchar, Assam. Int J Fish Aquat Stud 2(3):125–127

    Google Scholar 

  34. Sood ML (1989) Fish nematodes from South Asia, 1st edn. Kalyani Publishers, New Delhi, p 389

    Google Scholar 

  35. Soota TD (1983) Studies on nematode parasites of Indian vertebrates I. Fishes Rec Zool Surv India Misc Publ occasional paper No. 54, 352p

  36. Srivastava AB, Gupta SP (1975) On three new species of the genus Camallanus Railliet and Henry, 1915, from marine fishes of Puri, Orissa. Indian J Helminthol 27:124–131

    Google Scholar 

  37. Stromberg PC, Crites JL (1975) Population biology of Camallanus oxycephalus Ward and Magath, 1916 (Nematoda: Camallanidae) in White Bass in Western Lake Erie. J Parasitol 61:123–132

    CAS  Article  Google Scholar 

  38. Wahid S, Praveen S (1969) Studies on parasites of fishes from Pakistan I. Neocammallus vachaii new species, with a description of Orientocreadium batrachoides Tubangui, 1931. Pakistan J Zool 1:81–86

  39. Yamaguti S (1958) Systema helminthum. Vol I. The digenic trematodes of vertebrates. Part I and II. Interscience Publishers, New York

  40. Yamaguti S (1961) Systema helminthum. Vol. III. The nematodes of vertebrates. Part 1 and 2. Inter-Science Publishers, New York, London, 1261p

  41. Yeh LS (1960) On a re-construction of genus Camallanus. Railiet and Henry, 1915. J Helminth 34:117–124

    CAS  Article  Google Scholar 

Download references


The authors wish to acknowledged Rita and Nandi, resident of Binnakandi, Cachar for their support during collection of fishes from different places of Barak Valley, Assam. The authors also obliged to Head of Department, Department of Zoology, Manipur University for providing necessary laboratory facilities. Also we would like to thank UGC for giving fellowship to the first author.

Author information




LK: Sampling, data collection, analysis and drafting the manuscript. NM: Providing creative ideas and design of studies. Also, thorough revision of manuscript in order to provide only the important intellectual content.

Corresponding author

Correspondence to N. Mohilal.

Ethics declarations

Conflict of interest

The authors declare no conflict of interests regarding the publication of this article.

Ethical approval

The procedures performed during the study were in accordance with the Institutional Animal Ethics Committee, Manipur University.

Additional information

Publisher's Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Rights and permissions

Reprints and Permissions

About this article

Verify currency and authenticity via CrossMark

Cite this article

Lebanan, K., Mohilal, N. Camallanus sonaiensis sp.n. (Camallanidae), a new species of nematode from Heteropneustes fossilis collected from Assam, India. J Parasit Dis (2021).

Download citation


  • Nematode
  • Camallanus
  • Siluriformes
  • Heteropneustes fossilis
  • Trident
  • Spicule