A redescription and new host record for Dactylogyrus nasutai Narba and Wangchu, 2015 (Platyhelminthes, Monogenea) from Arunachal Pradesh, India using high-resolution microscopy imaging
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Dobiam Narba
Chawan Matey
Nirupama Agarwal
Amit Tripathi
https://orcid.org/0000-0002-2751-4437
https://orcid.org/0000-0002-2751-4437
Abstract
Dactylogyrus spp. are monogenean ectoparasites that infect economically important fishes in aquaculture worldwide. Currently, over 900 nominal species of Dactylogyrus are known. Dactylogyrus nasutai, originally described from the cyprinid fish Garra nasuta in Arunachal Pradesh, India, is redescribed and illustrated based on high-resolution microscopy imaging of specimens collected from the gills of Garra annandalei. The results reveal previously undescribed morphological traits, such as the accessory piece having a slender tube with serrations along its length and a prominent hook-shaped distal extension and dorsal anchors with notable depressions at the bases and lateral expansion in their shafts. Garra annandalei is the first host record for a monogenean parasite and a new host record for Dactylogyrus nasutai. The results of this study clarify the morpho-taxonomic details that will allow an unambiguous identification of Dactylogyrus nasutai.
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Keywords
High-resolution microscopy imaging, Monogenea, Dactylogyrus nasutai, River Tirap, Arunachal Pradesh
References
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Talwar, P.K. & Jhingran, A.G. (1991). Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam.
Tripathi, A. (2011). Helminth richness in Arunachal Pradesh fishes: a forgotten component of biodiversity. Journal of Biosciences, 36, 559-561. https://doi.org/10.1007/s12038-011-9088-z
Tripathi, A., Wangchu, L. & Narba, D. (2016). New host and distribution records of the gill parasite Dactylogyrus sphyrnoides Gussev, 1976 (Platyhelminthes, Monogenoidea) on a near threatened tor barb, Tor tor (Hamilton, 1822) (Teleostei, Cyprinidae), in northeastern India. Check List, 12, 1914. https://doi.org/10.15560/12.3.1914
Wangchu, L., Narba, D., Yassa, M., & Tripathi, A. (2017). Dactylogyrus barnae sp. n. (Platyhelminthes: Monogenoidea) infecting gills of Barilius barna Hamilton, 1822 (Pisces: Cyprinidae) from a global biodiversity hotspot–Arunachal Pradesh (India). Veterinary World, 10, 505-509. https://doi.org/10.14202/vetworld.2017.505-509
Wong, W.L., Tan, W.B. & Lim, L.H.S. (2006). Sodium dodecyl sulphate as a rapid clearing agent for studying the hard parts of monogeneans and nematodes. Journal of Helminthology, 80(1), 87-90.
Darshan, A., Abujam, S. & Das, D.N. (2019). Biodiversity of fishes in Arunachal Himalaya: systematics, classification, and taxonomic identification. Academic Press. Elsevier, Massachusetts. https://doi.org/10.1016/C2017-0-03721-7
Dos Santos, Q.M., Dzika, E. & Avenant-Oldewage, A. (2019). Using scanning electron microscopy (SEM) to study morphology and morphometry of the isolated haptoral sclerites of three distinct diplozoid species. PLoS ONE 14(2): e0211794. https://doi.org/10.1371/journal.pon e.021 1794
Froese, R. & Pauly, D. (2022). FishBase. Worldwide Web electronic publication. www.fishbase.org. Accessed 28 January, 2022
Gibson, D.I., Timofeeva, T.A. & Gerasev, P.I. (1996). A catalogue of the nominal species of the monogenean genus Dactylogyrus Diesing, 1850 and their host genera. Systematic Parasitology, 35, 3-48. https://doi.org/10.10 07/BF00012180
Gusev, A.V. (1976). Freshwater Indian Monogenoidea. Principles of systematics, analysis of world faunas and their evolution. Indian Journal of Helminthology, 25 & 26, 1-241
Guégan, J.F., Lambert, A. & Euzet, L. (1988). Etude des Monogénes des Cyprinidae du genre Labeo en Afrique de l‘ouest. I. Genre Dactylogyrus Diesing, 1850. Revue d‘Hydrobiologie Tropicale, 21, 135-151.
Kulwiec, Z. (1927). Untersuchungen an Arten des genus Dactylogyrus Diesing. Bulletin International de l'Academie des Sciences de Cracovie. Classe des Sciences Mathematiques et Naturelles. Serie B, pp 113-144
Malmberg, G. (1970). The excretory systems and the marginal hooks as a basis for the systematics of Gyrodactylus (Trematoda, Monogenea). Arkiv for Zoologi, 23(1/2), pp.1-235
Myers, N., Mittermeier, R.A., Mittermeier, C.A., da Fonseca, G.A.B. & Kent, J. (2000). Biodiversity hotspots for conservation priorities. Nature, 403, 853-858. https://doi.org/10.1038/35002501
Narba, D. & Wangchu, L. (2015). Three new species of Dactylogyrus Diesing, 1850 (Monogenoidea: Dactylogyridae) from gills of Garra nasuta and Bangana dero (Cypriniformes: Cyprinidae) from Arunachal Pradesh. In: Tripathi, A., editor. Proceeding of the 2nd National Symposium on Fish Parasites (pp 43-49). Itanagar, November 23-24, 2015. The Helminthological Society of India.
Olson, D.M. & Dinerstein, E. (1998). The global 200: a representation approach to conserving the Earth’s most biologically valuable ecoregions. Conservation Biology, 12(3), 502-515. https://doi.org/10.1046/j.1523-1739.1998.0 12003502.x
Paperna, I. (1960). Studies on monogenetic trematodes in Israel. 2. Monogenetic trematodes of cichlids. Bamidgeh, Bulletin of Fish Culture in Israel, 12, 20-33.
Pariselle, A., Lim, L.H.S. & Lambert, A. (2002). Monogeneans from Pangasiidae (Siluriformes) in Southeast Asia: III. Five new species of Thaparocleidus Jain, 1952 (Ancylodiscoididae) from pangasius bocourti, P. djambal and P. hypophthalmus. Parasite, 9, 207-217.
Pariselle, A., & Euzet L. (2004). Two new species of Cichlidogyrus Paperna, 1960 (Monogenea, Ancyrocephalidae) gill parasites on Hemichromis fasciatus (Pisces, Cichlidae) in Africa, with remarks on parasite geographical distribution. Parasite, 11, 359-364. http://dx.doi.org/10.1051/parasite/2004114359
Talwar, P.K. & Jhingran, A.G. (1991). Inland fishes of India and adjacent countries. vol 1. A.A. Balkema, Rotterdam.
Tripathi, A. (2011). Helminth richness in Arunachal Pradesh fishes: a forgotten component of biodiversity. Journal of Biosciences, 36, 559-561. https://doi.org/10.1007/s12038-011-9088-z
Tripathi, A., Wangchu, L. & Narba, D. (2016). New host and distribution records of the gill parasite Dactylogyrus sphyrnoides Gussev, 1976 (Platyhelminthes, Monogenoidea) on a near threatened tor barb, Tor tor (Hamilton, 1822) (Teleostei, Cyprinidae), in northeastern India. Check List, 12, 1914. https://doi.org/10.15560/12.3.1914
Wangchu, L., Narba, D., Yassa, M., & Tripathi, A. (2017). Dactylogyrus barnae sp. n. (Platyhelminthes: Monogenoidea) infecting gills of Barilius barna Hamilton, 1822 (Pisces: Cyprinidae) from a global biodiversity hotspot–Arunachal Pradesh (India). Veterinary World, 10, 505-509. https://doi.org/10.14202/vetworld.2017.505-509
Wong, W.L., Tan, W.B. & Lim, L.H.S. (2006). Sodium dodecyl sulphate as a rapid clearing agent for studying the hard parts of monogeneans and nematodes. Journal of Helminthology, 80(1), 87-90.
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A redescription and new host record for Dactylogyrus nasutai Narba and Wangchu, 2015 (Platyhelminthes, Monogenea) from Arunachal Pradesh, India using high-resolution microscopy imaging. (2022). Journal of Applied and Natural Science, 14(1), 188-193. https://doi.org/10.31018/jans.v14i1.3350
