• Title, Summary, Keyword: freshwater Copepoda

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Redescription of Ergasilus zacconis (Copepoda: Poesilostomatoida: Ergasilidae), Parasitic on the Freshwater Fish Zacco platypus from Japan

  • Kim, Il-Hoi;Nagasawa, Kazuya
    • Animal Systematics, Evolution and Diversity
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    • v.22 no.2
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    • pp.121-125
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    • 2006
  • Ergasilus zacconis (Yamaguti, 1936), the copepod parasite originally named as Pseudergasilus zaconnis, is redescribed based on the specimens newly collected from the freshwater fish Zacco platypus (Temminck and Schlegel) from Japan. Some errors appearing in the original description are emended. An explanation for the generic position of this species is given.

A Pictorial Key to the Freshwater Cyclopoid Copepods from Korea

  • Lee, Ji-Min;Jean, Jin-Mo;Chang, Cheon-Young
    • Korean Journal of Environmental Biology
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    • v.23 no.4
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    • pp.343-356
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    • 2005
  • A pictorial key to total 46 species belonging to 15 genera of two subfamilies in the family Cyclopidae is provided as a result of the serial researches on the freshwater cyclopoid copepods in South Korea.

Taxonomy on Freshwater Canthocamptid Harpacticoids (Copepoda) from South Korea - 1. Genus Canthocamptus (한국 담수산 딱정장수노벌레과 갈고리노벌레류의 분류 - 1. 딱정장수노벌레( Canthocamptus)속)

  • Cheon Young Chang;Ji Min Lee
    • Animal Systematics, Evolution and Diversity
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    • v.19 no.1
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    • pp.149-159
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    • 2003
  • A taxonomic study on the freshwater harpacticoids of the genus Canthocamptus has been accomplished as one of the serial researches on the family Canthocarnptidae in South Korea. As a result of it, a total of seven species of the genus are listed, two of which are new to Korean fauna: C. kitaurensis Kikuchi and C. macrosetifer Ishida. Additional materials of five species belonging to Canthocamptus mirabilis species group are recorded. A key to the seven species of the genus Canthocamptus known from Korea is prepared.

Taxonomy on Freshwater Canthocamptid Harpacticoids from South Korea V. Genus Bryocamptus

  • Lee, Ji-Min;Chang, Cheon-Young
    • Animal Systematics, Evolution and Diversity
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    • v.22 no.2
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    • pp.195-208
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    • 2006
  • Five freshwater harpacticoid species of the genus Bryocamptus are identified as one of the serial taxonomic studies on the family Canthocamptidae in South Korea: B, zschokkei caucasicus (Borutzky, 1930), B. nivalis (Willey, 1925), B, pacificus Ishida, 1992, B. vejdovskyi (Mrazek, 1893) and B. umiatensis Wilson, 1958. Bryocamptus pacificus, B. vedjovskyi and B. umiatensis are newly known from Korea. A key to the species of the genus Bryocamptus in Korea is provided.

Freshwater Harpacticoids of Genera Phyllognathopus and Harpacticella from South Korea

  • Chang, Cheon-Young;Yoon, Hong-Ju
    • Animal Systematics, Evolution and Diversity
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    • v.23 no.1
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    • pp.57-68
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    • 2007
  • A taxonomic study on the genera Phyllognathopus and Harpacticella has been accomplished as one of the serial researches on the freshwater harpacticoids in South Korea. As a result, four species belonging to the genera are clarified, three of which are new to Korean fauna: P. viguieri (Maupas), P. paludosus Mrazek, and H. paradoxa (Brehm).

Two New Species of Tropocyclops prasinus Group (Copepoda: Cyclopidae) from South Korea

  • Lee, Ji-Min;Chang, Cheon-Young
    • Animal cells and systems
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    • v.11 no.2
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    • pp.255-263
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    • 2007
  • A taxonomic study on the genus Tropocyclops has been accomplished as a part of the series of studies on the freshwater cyclopoid copepods in South Korea. As a result, the Tropocyclops prasinus, hitherto known from Korea in many reports and papers, turns out to be a species complex of three sibling species: T. prasinus (Fischer, 1860), T. ishidai n. sp., and T. setulifer n. sp. This paper deals with description of two of these new species with taxonomic accounts on their inter- or intraspecific morphological discrepancies.

Two Semi-subterranean Copepods from Korea

  • Lee, Ji-Min;Jeon, Jin-Mo
    • Animal cells and systems
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    • v.8 no.3
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    • pp.145-154
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    • 2004
  • Two freshwater cyclopoid species including a new species are added to Korean copepod fauna: Ochridacyclops coreensis n. sp. and Itocyclops yezoensis (Ito, 1953). Both species were collected from the semi-subterranean waters like springs and wells. The present paper deals with the description of the new species and the systematic accounts on the two species, based on the morphological character comparison with the related congeners.

Eucyclops serrulatus Species Group (Copepoda: Cyclopoida: Cyclopidae) from Korea (한국산 톱니꼬리검물벼룩 복합군(요각아강, 검물벼룩목, 검물벼룩과)의 분류)

  • Lee Jin Min;Min Gi-Sik;Chang Cheon Young
    • Animal Systematics, Evolution and Diversity
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    • v.21 no.2
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    • pp.137-156
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    • 2005
  • A taxonomic study on the Eucyclops serrulatus species group has been accomplished as one of the serial researches on the freshwater cyclopoid copepods in Korea. As a result, the 'Eucyclops serrulatus', hitherto known from Korea through many reports and papers, turns out to be a species complex of six sibling species: E. serrulatus (Fischer), E. roseus Ishida, E speratus (Lilljeborg), E. pacificus Ishida, E. ohtakai Ishida, and I tsushimensis Ishida Taxonomic accounts on their detailed interspecific discrepancies and intraspecific variabilities are presented. A key to the Eucyclops serrulatus group from the Far East is also provided.

Taxonomy on Genus Mesocyclops (Copepoda: Cyclopoida: Cyclopidae) from South Korea (한국산 보통검물벼룩속(요각아강, 검물벼룩목, 검물벼룩과)의 분류)

  • Lee Ji Min;Jeon Jin Mo;Chang Cheon Young
    • Animal Systematics, Evolution and Diversity
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    • v.21 no.1
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    • pp.93-110
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    • 2005
  • A taxonomic study on the genus Mesocyclops has been accomplished as one of the serial researches on the freshwater cyclopoid cope pods in South Korea. As a result, five species are recognized: M. leuckarti (Claus), M. pehpeiensis Hu, M. dissimilis Defaye and Kawabata, M. woutersi Van de Verde, and M. mariae Guo. Of these, M. dissimilis, M. woutersi, and M. mariae are new to Korean fauna. Morphological details of each species and the intraspecific variabilities are commented. A key to the species of genus Mesocyclops known from Korea is provided.

Taxonomy on Freshwater Canthocamptid Harpacticoids from Korea II. Genus Attheyella (한국 담수산 딱정장수노벌레과 갈고리노벌레류의 분류 II. 털보딱정 장수노벌레 (Attheyella)속)

  • Cheon Young Chang;Ji Min Lee
    • Animal Systematics, Evolution and Diversity
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    • v.19 no.2
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    • pp.189-201
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    • 2003
  • A taxonomic study on the freshwater harpacticoids of the genus Attheyella has been accomplished as one of the serial researches on the family Canthocamptidae in South Korea. As a result, a total of seven species belonging to Attheyella are listed, three of which are new to Korean fauna: A. crassa (Sars), A. nakaii (Brehm), and A. orientalis Chappuis. A key to the species of the genus Attheyella known from Korea is prepared.