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Morphometric and molecular analyses of two digenean species in mugilid fish: Lecithaster mugilis Yamaguti, 1970 from Vietnam and L. sudzuhensis n. sp. from southern Russian Far East

Published online by Cambridge University Press:  18 April 2016

V.V. Besprozvannykh ,
D.M. Atopkin ,
H.D. Ngo ,
A.V. Ermolenko ,
N. Van Ha ,
N. Van Tang  and
A.Y. Beloded
V.V. Besprozvannykh
Affiliation:
Institute of Biology and Soil Science, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
D.M. Atopkin*
Affiliation:
Institute of Biology and Soil Science, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia Department of Cell Biology and Genetics, Far Eastern Federal University, Vladivostok, Russia
H.D. Ngo
Affiliation:
Institute of Ecology and Biodiversity, Vietnamese Academy of Sciences and Technology, Hanoi, Vietnam
A.V. Ermolenko
Affiliation:
Institute of Biology and Soil Science, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
N. Van Ha
Affiliation:
Institute of Ecology and Biodiversity, Vietnamese Academy of Sciences and Technology, Hanoi, Vietnam
N. Van Tang
Affiliation:
Institute of Ecology and Biodiversity, Vietnamese Academy of Sciences and Technology, Hanoi, Vietnam
A.Y. Beloded
Affiliation:
Institute of Biology and Soil Science, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, Russia
*
*Fax: +7 4232310193 E-mail: atop82@gmail.com
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Abstract

Adult Lecithaster mugilis Yamaguti, 1970 were found in Moolgarda seheli, Valamugil engeli and Liza subviridis in the coastal waters of Cat Ba Island (Halong Bay, Vietnam). Specimens of Lecithaster sudzuhensis n. sp. were found in Mugil cephalus located in an estuary of the Kievka River in the Primorsky region of Russia. Studies have demonstrated that these species share significant morphometric similarities with each other and with specimens of L. helodes Overstreet, 1973 isolated from M. cephalus and Mugil curema from the Mississippi Sound and adjacent waters. These three species differ from one another in the size of the pharynx and ventral sucker and in the ratio of suckers, while they differ from other species in the genus by having a relatively elongated oesophagus. Molecular analysis, using the 18S rRNA and 28S rRNA genes, confirmed the validity of L. mugilis and L. sudzuhensis n. sp. and demonstrated that these species form a shared cluster with L. gibbosus (Rud, 1802).

Type
Research Papers
Information
Journal of Helminthology , Volume 91 , Issue 3 , May 2017 , pp. 326 - 331
Copyright
Copyright © Cambridge University Press 2016 

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