• Title/Summary/Keyword: First zoeas

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First Zoeas of Alpheus albatrossae (Decapoda: Caridea: Alpheidae) Hatched in the Laboratory

  • Yang, Hoi-Jeong;Kim, Won
    • Animal Systematics, Evolution and Diversity
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    • v.22 no.2
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    • pp.189-194
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    • 2006
  • First zoeas of Alpheus albatrossae (Banner, 1953) are described and illustrated for the first time, based on laboratory-hatched zoeas from a female collected in Ulleung-do Island, eastern Korea. The first zoeas of A. albatrossae can be distinguished from those of seven known species of Alpheus (A. brevicristatus, A. digitalis, A. heeia, A. japonicus, A. lobidens, A. richardsoni, and A. sudara) from Korea by having 6-segmented scale of the antenna and the endopod of the first maxilliped with four terminal setae.

First Zoeas of Eualus leptognathus (Decapoda: Caridea: Hippolytidae) Hatched in the Laboratory

  • Yang, Hoi-Jeong;Kim, Won
    • Animal Systematics, Evolution and Diversity
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    • v.22 no.2
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    • pp.117-120
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    • 2006
  • The first zoeas of Eualus leptognathus are described and illustrated in detail from laboratory-hatched material. Morphological comparison is made with previous description of this species from Japan. Minute rostrum and two anteroventral denticles behind pterygostomian spine on the carapace readily distinguish the first zoeas of Eualus leptognathus from those of Eualus sinensis, the only known zoeas of Eualus from Korean waters.

First Zoeas of Nursia rhomboidalis and Pyrhila carinata (Crustacea: Decapoda: Leucosiidae) with a Key to the Known Zoeas of Ten Leucosiid Species from Korean Waters

  • Lee, Seok Hyun;Ko, Hyun Sook
    • Animal Systematics, Evolution and Diversity
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    • v.33 no.4
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    • pp.228-234
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    • 2017
  • The first zoeas of Nursia rhomboidalis and Pyrhila carinata were obtained from laboratory condition. They are described and illustrated for the first time. Morphological comparison with those of other Korean described species of the family Leucosiidae reveals that the zoea of N. rhomboidalis is very similar to those of Myra fugax and Arcania undecimspinosa based on characteristics of the carapace spines length, the antenna morphology, the maxilla endopod setation, and the telson, whereas, the zoea of Py. carinata coincides well with those of Philyra kanekoi and Pyrhila pisum based on characteristics of the carapace spines length, the antenna morphology, the maxilla endopod setation, and the telson. Furthermore, we find that at least two groups of zoeas exist in the Korean species of the subfamily Ebaliinae. A provisional key to the known zoeas of ten leucosiid species from Korean waters is provided.

Early Zoeas of Alpheus lobidens De Haan, 1850 and Alpheus sudara Banner and Banner, 1966(Decapoda, Caridea, Alpheidae) Reared in the Laboratory

  • Yang, Hoi-Jeong;Kim, Min-Jeong;Kim, Chang-Hyun
    • Animal cells and systems
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    • v.7 no.1
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    • pp.15-24
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    • 2003
  • Early zoeas of snapping shrimps Alpheus lobidens De Haan,1850 and A. sudara Banner and Banner, 1966 are described and illustrated in detail, based on laboratory-reared materials. A provisional key to the known first alpheid zoeas from Korean coast is provided.

First Zoeas of Two Palaemon Species (Decapoda: Caridea: Palaemoninae) Hatched in the Laboratory

  • Yang, Hoi-Jeong
    • Animal Systematics, Evolution and Diversity
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    • v.25 no.3
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    • pp.237-242
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    • 2009
  • The first zoeas of Chinese ditch prawn Palaemon gravieri (Yu, 1930) and carpenter shrimp Palaemon serrifer (Stimpson, 1860) are described and illustrated in detail based on laboratory-hatched material. They are distinguished from those of Palaemon ortmanni (Rathbun, 1902) and Palaemon pacificus (Stimpson, 1860), previously known larvae from Korean waters by the length of the rostrum and endopod of antenna, the shape of the third abdominal somite, and ornamentation of the fifth abdominal somite. Larval characters of the genus Palaemon are revised. A. provisional key to the known first zoeas of Palaemon from Korean waters is given.

The First Zoeal Stages of Parapanope euagora and Halimede fragifer (Decapoda: Pilumnoidea: Galenidae) Hatched in the Laboratory

  • Lee, Seok Hyun;Ko, Hyun Sook
    • Animal Systematics, Evolution and Diversity
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    • v.32 no.2
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    • pp.133-140
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    • 2016
  • The first zoeas of Parapanope euagora and Halimede fragifer hatched in the laboratory from two ovigerous galenid crabs of Pilumnoidea were collected from Jindo Island, Jeolanam-do, southern Korea. Their morphologies are described in P. euagora for the first time in the world and re-described in H. fragifer with the color images of live zoeas. In this study, they show a general morphology of Pilumnoidea by having a long antennal exopod, an endopod of the maxillule with 1, 2+4 setae, an endopod of the maxilla with 3+5 setae, and a fork of the telson with two lateral armatures. However, the first zoea of P. euagora differs from other known zoeas of pilumnoid species including H. fragifer by having a long antennal exopod with a medial seta and spine, not two spines, and a fork of telson with two lateral setae, not a seta and spine. Such characteristics of the antennal exopod and the fork of telson are reported for the first time in the pilumnoid zoeas. A comparison between the first zoeal stage of H. fragifer in this study and that of Terada shows minute differences in the characteristics of the antennule and the fork of telson.

First Zoeal Stage of Camptandrium sexdentatum (Crustacea: Decapoda: Camptandriidae)

  • Park, Jay Hee;Ko, Hyun Sook
    • Animal Systematics, Evolution and Diversity
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    • v.30 no.4
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    • pp.235-239
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    • 2014
  • The first zoea of Camptandrium sexdentatum is described for the first time with a digital image of live zoeas. An ovigerous crab of C. sexdentatum was collected at the muddy sand flat in Namhaedo Island on 2 June 2012 and hatched in the laboratory on 6 June 2012. In Camptandriidae, the first zoea of C. sexdentatum is distinguished from the first zoeas of Cleistostoma dilatatum and Deiratonotus cristatum by having no dorsal and lateral carapace spines, an abdomen significantly broadened posteriorly, and a subovoid telson without forks. Especially, the finding of a subovoid telson without forks is the first report in brachyuran zoeas.

First Zoea of Eriphia sebana (Crustacea: Decapoda: Xanthoidea: Menippidae) Hatched in the Laboratory

  • Ko, Hyun-Sook
    • Animal cells and systems
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    • v.9 no.3
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    • pp.135-138
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    • 2005
  • The first zoea of Eriphia sebana is described and illustrated in detail for the first time. Its morphological characteristics are compared with those of other known species of the Menippidae from the northwestern Pacific Ocean. The general morphology of it corresponds well with other known zoeas of the Menippidae, except that of Sphaerozius nitidus. It is found that the zoeas of E. sebana and E. smithi can be separated by the exopod of the antenna, which has three setae in E. sebana and four setae in E. smithi.

Early Zoeas of Two Snapping Shrimps Alpheus digitalis De Haan, 1850 and Alpheus japonicus Miers, 1879 (Decapoda, Caridea, Alpheidae) with Notes on the Larval Characters of the Alpheidae

  • Yang, Hoi-Jeong;Kim, Chang-Hyun
    • Animal cells and systems
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    • v.6 no.2
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    • pp.95-105
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    • 2002
  • Early zoeal stages of two snapping shrimps Alpheus digitalis De Haan, 1850 and Alpheus japonicus Miers, 1879 are described and illustrated in detail for the first time based on the laboratory-reared materials. The first zoeas of Alpheus are more related to those of Vexillipar than to Athanas, Automate, and Synalpheus by having rostrum absent, the tip of the endopod of the antenna with a long plumose seta as well as a spine, the endopod of the maxilla with a basal and two terminal setae, the exopod of the maxilla shorter than the endopod, and the endopod of the second maxilliped with a seta on the proximal segment. A list of larval descriptions and described stages of the Alpheidae reported from Indo-West Pacific waters are included.

Zoeal Stages of Lysmata vittata (Decapoda: Caridea: Hippolytidae) Reared in the Laboratory

  • Yang, Hoi-Jeong;Kim, Chang-Hyun
    • Animal Systematics, Evolution and Diversity
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    • v.26 no.3
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    • pp.261-278
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    • 2010
  • Nine zoeal stages of Lysmata vittata (Stimpson, 1860) are described from laboratory-reared material. The ornamentation of the carapace and the fifth abdominal somite readily distinguish the first zoeas of L. vittata from the two previously known first larvae of Lysmata (L. anchisteus and L. seticaudata). Larval characters of the genus Lysmata are summarized. The setation of 1,2,3(6) on the basis of the second maxilliped indicates that Lysmata is closely related to Exhippolysmata.