• 제목/요약/키워드: Majidae

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Zoeal Stages of Leptomithrax edwardsii (Crustacea: Decapoda: Majidae) Described from Laboratory Reared Material

  • Kang, Jung-Ha;Lee, Yong-Seok;Jeong, Ji-Eun;Ko, Hyun-Sook
    • Animal Systematics, Evolution and Diversity
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    • 제28권3호
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    • pp.185-191
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    • 2012
  • Zoeas of Leptomithrax edwardsii were reared in the laboratory. Two zoeal stages are described and illustrated. The first zoeal stage of L. edwardsii is compared with those of seven known species of the family Majidae. It differs from previous description in the endopodal setation characters of the maxillule and the second maxilliped. It appears most similar to L. bifidus and Schizophroida simodaensis of the northwestern Pacific. A provisional key for identifying eight majid zoeas is included.

First Zoea of Pugettia gracilis (Crustacea: Decapoda: Majidae) Reared in the Laboratory

  • Oh, Seong-Mi;Ko, Hyun-Sook
    • Animal cells and systems
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    • 제11권1호
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    • pp.51-54
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    • 2007
  • The first zoea of Pugettia gracilis is described and illustrated for the first time. Its morphological characteristics are compared with those of other known species of the genus from the northern Pacific waters. Although the Pugettia zoeas of the northwestern and the northeastern Pacifies are very similar, they can be easily distinguished by their dorsal carapace spine. In the northwestern Pacific it is spinulate with a spinous tip, while in the northeastern Pacific it is smooth with a blunt tip.

물맞이게속(갑각강: 십각목: 물맞이게과) 3종의 메갈로파 유생 (Megalopal stages of three Pugettia species (Crustacea : Decapoda : Majidae) reared in the laboratory)

  • 고현숙;황상구
    • Animal Systematics, Evolution and Diversity
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    • 제13권4호
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    • pp.261-270
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    • 1997
  • 실험실에서 물맞이게 속의 3종, 뿔물맞이게(Pugettia quadridens quadridens), P. marissinica, 중간뿔물맞이게(P. quadridens intermedia)로 부터 메갈로파 유생을 얻었다. 이들 3종의 메갈로파 유생을 상세히 기재 및 도시하고 이미 보고된 Epialtinae아과 다른 종의 메갈로파 유생들과 그 형태적 특징을 비교하였다. P. marissinica는 2종, 중간뿔물맞이게 와 뿔물맞이게의 유생들과 그 특징에서 상당히 큰 차이를 보여 서로 다른 종임을 알 수 있었으나, 중간뿔물맞이게 와 뿔물맞이겐느 형태적으로 매우 유사하였다. 따라서, 중간뿔물맞이게를 종수준으로 간주한 Griffin과 Tranter(1986)의 제안보다 오히려 뿔물맞이게의 아종수준으로 간주한 Sakai(1938, 1976)의 제안이 타당하다고 사료된다.

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韓國未記錄 게類 (甲殼類, 十脚目) 10種 (New Records of Ten Brachyuran Species (Crustacea : Decapoda) from Korea)

  • Kim, Hoon-Soo;Park, Keun-Bae
    • 한국동물학회지
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    • 제15권2호
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    • pp.57-69
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    • 1972
  • According to the brachyuran specimens collected from the coastal seas of Korea during the period from 1969 to 1970, the following ten species were described briefly as hitherto unrecorded species from Korea: Family Calapidae: 1. Mursia curtispina trispinosa(Parisi); Family Corystidae: 2. Jonas distincta (de Haan); Family Portunidae: 3. Portunus (Monomia), argentatus (White); Family Xanthidae: 4. Neoliomer a insularis (White), 5. Acutumnus asper (Ruppell); Family Majidae: 6. Pleistacanta sanctijohannis Miers 7. Huenia proteus de Haan, 8. Scyra compressipes Stimpson, 9. Maja spinigera de Haan, 10. Entomonyx spino년 (Miers)

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박뿔게 (십각목, 단미류, 물맞이게과)의 제 1 조에아 유생 (The first zoeal stage of Hyastenus elongatus (Ortmann, 1893) (Decapoda, Brachyura, Majidae))

  • 고현숙
    • Animal Systematics, Evolution and Diversity
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    • 제13권1호
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    • pp.1-8
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    • 1997
  • 실험실에서 포란한 박뿔게로부터 제 1조에아 유생을 얻었다. 제 1조에아 유생기의 형태적 특징을 상세히 기재 및 도시하고 이미 보고된 뿔게아과 다른 종의 조에아 유생들과 그 형태적 특징을 비교하였다. 박뿔게와 뿔게의 제 1조에아 유생은 형태적으로 유사하나 갑각후측연부와 구기부속지의 강모수와 등가시의 길이가 서로 다르다. 특히 구기부속지중 제 1소악의 내지 강모수가 다르기 때문에 뿔게유생에 대한 상세한 재기재를 필요로 한다.

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Larval Development of the Grooved Tanner Crab, Chionoecetes tanneri Rathbun, 1893 (Decapoda: Brachyura: Majidae) Described from the Laboratoryreared Specimens

  • Hong, Sung-Yun;Park, Won-Gyu;Perry, R. Ian;Boutillier, James A.
    • Animal cells and systems
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    • 제13권1호
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    • pp.59-69
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    • 2009
  • This paper documents the defining morphological characteristics of the larval stages of Chionoecetes tanneri Rathbun, 1893, the grooved Tanner crab, from specimens reared in the laboratory. Chionoecetes tanneri larval stages include two zoeae and one megalopa. The first zoea is characterized by: six setae on the posterior margin of the carapace; postero-lateral spines on abdominal somites 3 and 4, extending beyond the posterior margin of adjacent somites and bearing 9-10 spinnules; 12 plumose setae and one stout distal plumose seta present on the margin of the scaphognathite of the maxilla; and one fused lateral spine and one articulated dorso-medial spine on each fork of the telson. The second zoea is characterized by: 9 setae on the postero-lateral margin of the carapace; a serrated mandible molar; a mandibular palp bud; 25-26 plumose setae on the margin of the scaphognathite of the maxilla; pereiopods with well-developed gills and buds; and four pairs of stout setae on the posterior margin of the telson. For the megalopal stage, the distinguishing characteristics include: a rostral spine equal in length to the supraorbital spine; six setae on the exopod of the uropod; and a single spine on the ischium of the second pereiopod. This study allows C. tanneri larvae to be distinguished from the larvae of known sympatric congeners. This information provides a basic taxonomic tool for researchers in fisheries management and zooplankton ecology who are addressing issues related to trophic interactions, metapopulation dynamics and ecosystem impacts in the evolving marine resource management strategies in the North Pacific, and those related to Chionoecetes species in particular.