On a New Species of Phyllodistomum Braun, 1899 (Digenea: Gorgoderidae), a Parasite of Fresh Water Fish, Channa Punctatus (Bl.) from Betwa River, Bundelkhand Region Jhansi, U.P, India.
Jag Mohan Sen1*
http://dx.doi.org/10.12944/CWE.9.1.29
The present paper deals with a new species of genus Phyllodistum Braun, 1899. Phyllodistomum betwaensis sp.n. is reported from fresh water fish Channa punctatus (Bl.) from Betwa river, Bundelkhand region,Jhansi. It differs from all the earlier reported species in having the body of fluke is spatulate and dorso-ventrally flattened; anterior portion of body is long and curved while posterior portion of body is broad; slightly curved, tubular oesophagus: ventral sucker oval and larger than oral sucker; testes, post-equatorial, inter-caecal, anterior testis is larger than posterior one and parallel to ovary; ovary, oval, just behind right vitelline lobe, parallel to anterior testis; vitelline lobes posterior-lateral to ventral sucker, oval. Right vitelline lobe is larger than left vitelline lobe; eggs are oval and non-operculated.
Phyllodistomum; Betwa River; Bundelkhand Region, Channa Punctatus
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Sen M. J. On a New Species of Phyllodistomum Braun, 1899 (Digenea: Gorgoderidae), a Parasite of Fresh Water Fish, Channa Punctatus (Bl.) from Betwa River, Bundelkhand Region Jhansi, U.P, India. Curr World Environ 2014;9(1) DOI:http://dx.doi.org/10.12944/CWE.9.1.29
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Sen M. J. On a New Species of Phyllodistomum Braun, 1899 (Digenea: Gorgoderidae), a Parasite of Fresh Water Fish, Channa Punctatus (Bl.) from Betwa River, Bundelkhand Region Jhansi, U.P, India. Curr World Environ 2014;9(1). Available from://www.a-i-l-s-a.com?p=476/
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Introduction
Fishes are important animals in ecosystem. They are useful item of human food as well as the source of income. Fishes are important for providing nourishment to poultry and cattle, and also useful for producing a high quality of manure especially for citrus plant, as a source of nitrogen and phosphate. The present study was aimed that determining the intestinal digenetic trematodes found in fishes of Betwa riverof Bundelkhandregion, Jhansi. This paper includes the description of a new species of GenusPhyllodistomum, 1899 found in the intestine of many specimens ofChanana punctatus(Bl.)
Material and Methods
Fishes for the present investigation have been collected fromBetwaRiver,Jhansi. Fishes were examined for intestinal parasites. The intestine was removed from the body cavity and contents were then examined under microscope. The parasites taken out and fixed in 70% ethanol. Specimens were stained in Aceto-alum carmine, dehydrated and mounted in Canada balsam. Diagram was made with aid of a Camera lucida device. Identification and classification of the specimen was done using Yamaguti (1958) and Overstreet and Curren (2002).
Phyllodistomum betwaensis n.sp.
Description
Body spatulate, divisible in to a narrow tubular, curved fore body and expanded hind end of the body, 1.4-1.6 mm long; 0.41-0.43 mm wide with wavy margin. Anterior part of body, narrow, elongated, curved 0.81-0.83 mm long 0.19-0.21 mm wide; posterior part of body, spatulated, 0.61-0.63 mm long, 0.41-0.43 mm wide. Oral sucker, terminal, slightly oval, mouth opening ventrally, no noticeable papillae on oral sucker. Oral sucker, 0.15-0.17 mm long, 0.11-0.13 mm wide.
Pharynx and pre-pharynx are absent. Mouth leads into oesophagus; oesophagus slightly curved, tubular, 0.09-0.11 mm long, 0.03-0.05 mm wide, and oesophagus bifurcates into two un-branched intestinal caeca which extends up to the hind end of body.
Ventral sucker, oval, 0.23-0.25 mm long, 0.17-0.19 mm wide. Ventral sucker is larger than oral sucker. Vitelline lobes two, posterior-lateral to ventral sucker, oval, and rarely lobed. Right vitelline lobe is larger than left vitelline lobe. Right vitelline lobe, 0.08-0.01 mm long, 0.03-0.05 mm wide. Left vitelline lobe, 0.05-0.07 mm long, 0.02-0.04 mm wide, at 0.86-0.88 mm from anterior extremity. The distance between the two vitelline lobes, 0.03-0.05 mm at greatest width.
Testes located in the broadest part of the hind body, post-equatorial, tandem, inter-caecal and deeply lobed, present between the two intestinal caeca. Anterior testis 0.13-0.15 mm long, 0.1-0.12 mm wide, at 0.09-0.092 mm from anterior extremity. Posterior testis, 0.11-0.13 mm long, 0.08-0.1 mm wide, at 1.0-1.1 mm from anterior extremity. Anterior testis is larger than posterior one and parallel to ovary.
子房椭圆形,post-equatorial inter-caecal,只是hind of right vitelline lobe and parallel to anterior testis, 0.09-0.11 mm long, 0.06-0.08 mm wide, at 0.92-0.94 mm from anterior extremity. Seminal vesical, pre-acetabular, sac-like in appearance, 0.17-0.19 mm long, 0.05-0.07 mm wide. Genital pore median just blow the intestinal bifurcation. Excretory bladder, sacullar, excretory pore median. No body folds or other demarcation in hind body. Eggs, oval, non-operculated, 0.02-0.04 m long, 0.01-0.02 mm wide.
Discussion
The present form resembles toP. triangulate 9,P. funduli 6 , P. srivastavai 8,P. vachius 3, P. rhamidiae 11,P. tana 13,P. laxmibai 10,in having oval oral sucker. The new species differs fromP. triangulate 9,P. funduli 6 , P. srivastavai 8,P. vachius 3,P. rhamidiae 11,P. tana 13,P. laxmibai 10,在前端口ion of body is long and curved while posterior portion of body broad; slightly curved, tubular oesophagus; ventral sucker oval, and larger than oral sucker.
The new species resemblesP. scrippsi 2,P. singhiai 5,P. lysteri 4,P. centopomi 1,P. pavlovaskii12,P. laxmibai 10, in having median genital pore just below the intestinal bifurcation. The new species differ fromP. scrippsi 2,P. singhiai 5,P. lysteri 4,P. centopomi 1,P. pavlovaskii 12,P. parichhaii7and P. pahujii 7,P. laxmibai 10, in having post-equatorial, intercaecal, lobed testes. Anterior testis is larger than posterior one and parallel to ovary; position of oval, ovary just behind right vitelline lobe, parallel to anterior testis.
The new species also differ from,P. scrippsi 2,P. singhiai 5,P. vachius 3, SP. lysteri 4,P. centopomi 1,P. pavlovaskii 12,P. triangulate 9,P. funduli 6 , P. srivastavai 8,P. rhamidiae 11,P. tana 13,P. parichhaii7and P. pahujii 7,P. laxmibai 10, in having oval vitelline lobes, posterior-lateral to ventral sucker, right vitelline lobe is larger than left vitelline lobe, eggs are oval, non-operculated. There fore it is consider as a new species with specific nameP. betwaensisn.sp. after the collection of host from Betwa River, Bundelkhand region, district Jhansi.
Acknowledgements
The author was thankful to principal & Head of the Department of Zoology, Bipin Bihari (P.G) College Jhansi, for providing lab facilities during the course of study. The author was also thankful to Dr. S. F. Siddiqui for her valuable aid and direction in preparation of the manuscript.
References
Fishes are important animals in ecosystem. They are useful item of human food as well as the source of income. Fishes are important for providing nourishment to poultry and cattle, and also useful for producing a high quality of manure especially for citrus plant, as a source of nitrogen and phosphate. The present study was aimed that determining the intestinal digenetic trematodes found in fishes of Betwa riverof Bundelkhandregion, Jhansi. This paper includes the description of a new species of GenusPhyllodistomum, 1899 found in the intestine of many specimens ofChanana punctatus(Bl.)
Material and Methods
Fishes for the present investigation have been collected fromBetwaRiver,Jhansi. Fishes were examined for intestinal parasites. The intestine was removed from the body cavity and contents were then examined under microscope. The parasites taken out and fixed in 70% ethanol. Specimens were stained in Aceto-alum carmine, dehydrated and mounted in Canada balsam. Diagram was made with aid of a Camera lucida device. Identification and classification of the specimen was done using Yamaguti (1958) and Overstreet and Curren (2002).
Phyllodistomum betwaensis n.sp.
Description
Body spatulate, divisible in to a narrow tubular, curved fore body and expanded hind end of the body, 1.4-1.6 mm long; 0.41-0.43 mm wide with wavy margin. Anterior part of body, narrow, elongated, curved 0.81-0.83 mm long 0.19-0.21 mm wide; posterior part of body, spatulated, 0.61-0.63 mm long, 0.41-0.43 mm wide. Oral sucker, terminal, slightly oval, mouth opening ventrally, no noticeable papillae on oral sucker. Oral sucker, 0.15-0.17 mm long, 0.11-0.13 mm wide.
Pharynx and pre-pharynx are absent. Mouth leads into oesophagus; oesophagus slightly curved, tubular, 0.09-0.11 mm long, 0.03-0.05 mm wide, and oesophagus bifurcates into two un-branched intestinal caeca which extends up to the hind end of body.
Ventral sucker, oval, 0.23-0.25 mm long, 0.17-0.19 mm wide. Ventral sucker is larger than oral sucker. Vitelline lobes two, posterior-lateral to ventral sucker, oval, and rarely lobed. Right vitelline lobe is larger than left vitelline lobe. Right vitelline lobe, 0.08-0.01 mm long, 0.03-0.05 mm wide. Left vitelline lobe, 0.05-0.07 mm long, 0.02-0.04 mm wide, at 0.86-0.88 mm from anterior extremity. The distance between the two vitelline lobes, 0.03-0.05 mm at greatest width.
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Testes located in the broadest part of the hind body, post-equatorial, tandem, inter-caecal and deeply lobed, present between the two intestinal caeca. Anterior testis 0.13-0.15 mm long, 0.1-0.12 mm wide, at 0.09-0.092 mm from anterior extremity. Posterior testis, 0.11-0.13 mm long, 0.08-0.1 mm wide, at 1.0-1.1 mm from anterior extremity. Anterior testis is larger than posterior one and parallel to ovary.
子房椭圆形,post-equatorial inter-caecal,只是hind of right vitelline lobe and parallel to anterior testis, 0.09-0.11 mm long, 0.06-0.08 mm wide, at 0.92-0.94 mm from anterior extremity. Seminal vesical, pre-acetabular, sac-like in appearance, 0.17-0.19 mm long, 0.05-0.07 mm wide. Genital pore median just blow the intestinal bifurcation. Excretory bladder, sacullar, excretory pore median. No body folds or other demarcation in hind body. Eggs, oval, non-operculated, 0.02-0.04 m long, 0.01-0.02 mm wide.
Discussion
The present form resembles toP. triangulate 9,P. funduli 6 , P. srivastavai 8,P. vachius 3, P. rhamidiae 11,P. tana 13,P. laxmibai 10,in having oval oral sucker. The new species differs fromP. triangulate 9,P. funduli 6 , P. srivastavai 8,P. vachius 3,P. rhamidiae 11,P. tana 13,P. laxmibai 10,在前端口ion of body is long and curved while posterior portion of body broad; slightly curved, tubular oesophagus; ventral sucker oval, and larger than oral sucker.
The new species resemblesP. scrippsi 2,P. singhiai 5,P. lysteri 4,P. centopomi 1,P. pavlovaskii12,P. laxmibai 10, in having median genital pore just below the intestinal bifurcation. The new species differ fromP. scrippsi 2,P. singhiai 5,P. lysteri 4,P. centopomi 1,P. pavlovaskii 12,P. parichhaii7and P. pahujii 7,P. laxmibai 10, in having post-equatorial, intercaecal, lobed testes. Anterior testis is larger than posterior one and parallel to ovary; position of oval, ovary just behind right vitelline lobe, parallel to anterior testis.
The new species also differ from,P. scrippsi 2,P. singhiai 5,P. vachius 3, SP. lysteri 4,P. centopomi 1,P. pavlovaskii 12,P. triangulate 9,P. funduli 6 , P. srivastavai 8,P. rhamidiae 11,P. tana 13,P. parichhaii7and P. pahujii 7,P. laxmibai 10, in having oval vitelline lobes, posterior-lateral to ventral sucker, right vitelline lobe is larger than left vitelline lobe, eggs are oval, non-operculated. There fore it is consider as a new species with specific nameP. betwaensisn.sp. after the collection of host from Betwa River, Bundelkhand region, district Jhansi.
Acknowledgements
The author was thankful to principal & Head of the Department of Zoology, Bipin Bihari (P.G) College Jhansi, for providing lab facilities during the course of study. The author was also thankful to Dr. S. F. Siddiqui for her valuable aid and direction in preparation of the manuscript.
References
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- Jaclyn Helt, John Janovy, Jr., and John Ubelaker (2003):Phyllodistomum fundulin. sp. (Trematoda:: Gorgoderidae) fromFundulus sciadicuscope from cedar creek in Western Nebraska.J. Parasitol.89(2): 346-350.
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