Description of six new species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) from two catfish, Mystus, Scopoli, 1777 and Sperata Holly, 1939, with a note on its biodiversity
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Abstract
The genus Cornudisoides Kulkarni, 1969 is a specialist monogenoid reported from two fish host, Mystus and Sperata. Despite their ecological importance, Cornudiscoides diversity remains unexplored, and the taxonomic description of nominal species is inadequate. The present study was performed to chart the biodiversity of the genus Cornudiscoides and defined the characters to identify their species quickly and efficiently using unambiguous characters. Examination of fish hosts collected from different localities of Uttar Pradesh revealed 12 known and 6 new species of Cornudiscoides. Since the original description of known species lacked some salient features, the present study has redescribed them and added new host records. The new species are described: C. tripathii sp. nov., C. lucknowensis sp. nov., C. speratai sp. nov., C. indicus sp. nov., C. kulkarnii sp. nov. and C. falcatum sp. nov. They have distinct copulatory complexes and vaginal armatures. A detail of the species diversity of Cornudisoides, their type host, new host record type locality, additional localities and major distinguishable characters would be helpful to understand the diversity of these parasites.
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Keywords
Biodiversity, Cornudiscoides, Mystus, Monogenoideans, River Gomati, Sperata
References
Agrawal, N., Rajvanshi, S. & Verma, J. (2016). Two new species of the genus Cornudiscoides Kulkarni, 1969 from naked catfish Sperata aor (Hamilton, 1822): Specialist or Generalist? Pakistan Journal of Zoology, 48 (6), 1687-1693.
Agrawal, N. Verma J. Rajvanshi, S. & Asthana, A. (2020). Application of two interesting statistical tools, used in differentiation of closely related species of Cornudiscoides Kulkarni, 1969 (Platyhelminthes: Monogenoidea: Dactylogyridae). Uttar Pradesh Journal of Zoology, 41(10), 143-156
Agrawal, N. & Vishwakarma, P. (1996). Six new species and redescription of two known species of the genus Cornudiscoides Kulkarni, 1969 (Monogenea) from Lucknow, U.P. Indian Journal of Helminthology (N.S.), 13, 10-31
Bakke, T. A. Cable, J. & Harris, P. D. (2007). The biology of Gyrodactylid monogeneans: the “Russian-doll killers”. Advances in parasitology 64,161-460.
Cribb, T. H. Chisholm, L. A. & Bray, R. A. (2002). Diversity in the Monogenea and Digenea: does lifestyle matter?. International Journal for Parasitology, 32, 321-328.
Devak, A. & Pandey, K.C. (2007). A new species of Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) its locomotion, mode of attachment and distribution. Indian Journal of Helminthology, 25, 41-58.
Dubey, A. Gupta, A.K. & Agrawal, S.M. (1992). Studies on monogenean parasites in freshwater fishes at Raipur IX. Two new species of the genus Cornudiscoides Kulkarni a taxonomic discussion on species included in it. Indian Journal of Helminthology, 44, 109-115.
Froese, R. & Pauly, D. (2014-18). Fish base. https://www.fishbase.se/search.php [accessed 2014-2018]
Gusev, A.V. (1976). Freshwater Indian Monogenoidea. Principles of systematics, analysis of the world faunas and their evolution. Indian Journal of Helminthology, 25-26,1-241.
Jayaram, K. C. & Sanyal, A. (2003). A taxonomic revision of the fishes of the genus Mystus Scopoli (Family Bagridae) (No. 207). Zoological Survey of India.
Jyaram, K.C. (1955). Silurid fishes of India, Barma and Ceylon. XIV: Fishes of the genus Mystus Scopoli. Record. Indian Museum. (Culcutta), 51, 527-558.
Kritsky, D.C. Thatcher, V.E. & Boeger, W.A. (1986). Neotropical Monogenea 8. Reveision of Urocleidoides (Dactylogyridae, Ancyrocephalinae). Procceding of helminthological. Society. Washington, 53, 1-37.
Kulkarni, T. (1969b). Studies on the monogenetic trematodes of fishes found in Hyderabads Andhra Pradesh (India). Part I. Riv di Parassitol 30, 73-90
Kulwiec, Z. 1927. Untersuchungen an Arten des genus Dactylogyrus Diesing. Bull. loInt. Acad. Pon.Sci. Lett., Cl. Sci. Math. Nat., Ser. B: Sci., 113-14.
Lim, L.H.S. (1987). Six new species of Cornudiscoides Kulkarni, 1969 (Monogenea: Ancyrocephalidae) from two Mystus species (Bagridae) of Peninsular Malaysia. Folia Parasitologica, 34,107-114.
Lim, L.H.S. Timofeeva, T. A. & Gibson, D.I. (2001). Dactylogyridean Monogeneans of the siluriform fishes of the old world. Systematic Parasitology, 50, 159-197. doi: 10.1023/A:1012237801974
Mishra, S.P. (2021). Studies on Infestations of Monogenean Ectoparasites on Indian Major Carps of District Sultanpur, Uttar Pradesh, India, International Journal of Trend in Scientific Research and Development, 5 (5), 2173- 2179,
Ogawa, K. (2015). Diseases of cultured marine fishes caused by Platyhelminthes (Monogenea, Digenea, Cestoda). Parasitology, 142(1), 178-195. doi: 10.1017/S0031182014000808.
Pandey, KC. & Agrawal, N. (2008). An encyclopaedia of Indian Monogenoidea, Vitasta Publishing Pvt. Ltd., New Delhi.
Poulin, R. (2002). The evolution of monogenean diversity. International Journal for Parasitology, 32(3), 245-54 doi: 10.1016/S0020-7519(01)00329-0
Rizvi, S.S.H. (1971). Monogenea of Pakistan fishes I. Ancylodiscoides mystusi, new species and A. aori, new species, from the gills of Mystus aor (Ham.). Pakistan Journal Zoology, 3, 87-92.
Stoskopf, M. K. (2015). Biology and management of laboratory fishes. In Laboratory Animal Medicine (pp. 1063-1086). Academic Press.
Verma, J. Agrawal, N. & Verma, A.K. (2017). The use of large and small subunits of ribosomal DNA in evaluating phylogenetic relationships between species of Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) from India. Journal of Helminthology, 91(2), 206-214. doi: 10.1017/S0022149X16000134
Verma, J. Rajvanshi, S. & Agrawal, N. (2018). Genetic characterization of three species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae), Parasitizing long whiskered cat fish Sperata aor (Ham) using ribosomal and mitochondrial DNA. Journal of Zoological Sciences, 6, 31-37.
Verma, J. & Agrawal, N. (2021). Molecular characterization of Indian species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae). Journal of Applied and Natural Science, 13(1), 1 - 7. doi.org/10.31018/jans.v13i1.2434
Agrawal, N. Verma J. Rajvanshi, S. & Asthana, A. (2020). Application of two interesting statistical tools, used in differentiation of closely related species of Cornudiscoides Kulkarni, 1969 (Platyhelminthes: Monogenoidea: Dactylogyridae). Uttar Pradesh Journal of Zoology, 41(10), 143-156
Agrawal, N. & Vishwakarma, P. (1996). Six new species and redescription of two known species of the genus Cornudiscoides Kulkarni, 1969 (Monogenea) from Lucknow, U.P. Indian Journal of Helminthology (N.S.), 13, 10-31
Bakke, T. A. Cable, J. & Harris, P. D. (2007). The biology of Gyrodactylid monogeneans: the “Russian-doll killers”. Advances in parasitology 64,161-460.
Cribb, T. H. Chisholm, L. A. & Bray, R. A. (2002). Diversity in the Monogenea and Digenea: does lifestyle matter?. International Journal for Parasitology, 32, 321-328.
Devak, A. & Pandey, K.C. (2007). A new species of Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) its locomotion, mode of attachment and distribution. Indian Journal of Helminthology, 25, 41-58.
Dubey, A. Gupta, A.K. & Agrawal, S.M. (1992). Studies on monogenean parasites in freshwater fishes at Raipur IX. Two new species of the genus Cornudiscoides Kulkarni a taxonomic discussion on species included in it. Indian Journal of Helminthology, 44, 109-115.
Froese, R. & Pauly, D. (2014-18). Fish base. https://www.fishbase.se/search.php [accessed 2014-2018]
Gusev, A.V. (1976). Freshwater Indian Monogenoidea. Principles of systematics, analysis of the world faunas and their evolution. Indian Journal of Helminthology, 25-26,1-241.
Jayaram, K. C. & Sanyal, A. (2003). A taxonomic revision of the fishes of the genus Mystus Scopoli (Family Bagridae) (No. 207). Zoological Survey of India.
Jyaram, K.C. (1955). Silurid fishes of India, Barma and Ceylon. XIV: Fishes of the genus Mystus Scopoli. Record. Indian Museum. (Culcutta), 51, 527-558.
Kritsky, D.C. Thatcher, V.E. & Boeger, W.A. (1986). Neotropical Monogenea 8. Reveision of Urocleidoides (Dactylogyridae, Ancyrocephalinae). Procceding of helminthological. Society. Washington, 53, 1-37.
Kulkarni, T. (1969b). Studies on the monogenetic trematodes of fishes found in Hyderabads Andhra Pradesh (India). Part I. Riv di Parassitol 30, 73-90
Kulwiec, Z. 1927. Untersuchungen an Arten des genus Dactylogyrus Diesing. Bull. loInt. Acad. Pon.Sci. Lett., Cl. Sci. Math. Nat., Ser. B: Sci., 113-14.
Lim, L.H.S. (1987). Six new species of Cornudiscoides Kulkarni, 1969 (Monogenea: Ancyrocephalidae) from two Mystus species (Bagridae) of Peninsular Malaysia. Folia Parasitologica, 34,107-114.
Lim, L.H.S. Timofeeva, T. A. & Gibson, D.I. (2001). Dactylogyridean Monogeneans of the siluriform fishes of the old world. Systematic Parasitology, 50, 159-197. doi: 10.1023/A:1012237801974
Mishra, S.P. (2021). Studies on Infestations of Monogenean Ectoparasites on Indian Major Carps of District Sultanpur, Uttar Pradesh, India, International Journal of Trend in Scientific Research and Development, 5 (5), 2173- 2179,
Ogawa, K. (2015). Diseases of cultured marine fishes caused by Platyhelminthes (Monogenea, Digenea, Cestoda). Parasitology, 142(1), 178-195. doi: 10.1017/S0031182014000808.
Pandey, KC. & Agrawal, N. (2008). An encyclopaedia of Indian Monogenoidea, Vitasta Publishing Pvt. Ltd., New Delhi.
Poulin, R. (2002). The evolution of monogenean diversity. International Journal for Parasitology, 32(3), 245-54 doi: 10.1016/S0020-7519(01)00329-0
Rizvi, S.S.H. (1971). Monogenea of Pakistan fishes I. Ancylodiscoides mystusi, new species and A. aori, new species, from the gills of Mystus aor (Ham.). Pakistan Journal Zoology, 3, 87-92.
Stoskopf, M. K. (2015). Biology and management of laboratory fishes. In Laboratory Animal Medicine (pp. 1063-1086). Academic Press.
Verma, J. Agrawal, N. & Verma, A.K. (2017). The use of large and small subunits of ribosomal DNA in evaluating phylogenetic relationships between species of Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) from India. Journal of Helminthology, 91(2), 206-214. doi: 10.1017/S0022149X16000134
Verma, J. Rajvanshi, S. & Agrawal, N. (2018). Genetic characterization of three species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae), Parasitizing long whiskered cat fish Sperata aor (Ham) using ribosomal and mitochondrial DNA. Journal of Zoological Sciences, 6, 31-37.
Verma, J. & Agrawal, N. (2021). Molecular characterization of Indian species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae). Journal of Applied and Natural Science, 13(1), 1 - 7. doi.org/10.31018/jans.v13i1.2434
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How to Cite
Description of six new species of the genus Cornudiscoides Kulkarni, 1969 (Monogenoidea: Dactylogyridae) from two catfish, Mystus, Scopoli, 1777 and Sperata Holly, 1939, with a note on its biodiversity. (2022). Journal of Applied and Natural Science, 14(1), 268-282. https://doi.org/10.31018/jans.v14i1.3352
