• Title/Summary/Keyword: new record species

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Survey of Indigenous Species of Marine Algae in Korea: New Record of Hypnea chordacea Kützing (Gigartinales, Rhodophyta) (한국의 자생 해조 발굴 연구: 미기록종 끈가시우무 (열매가지과, 돌가사리목))

  • Kang, Pil Joon;Nam, Ki Wan
    • Journal of Fisheries and Marine Sciences Education
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    • v.27 no.1
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    • pp.198-202
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    • 2015
  • In the course of the survey of indigenous species, a red algal Hypnea species was collected from eastern coast of Korea. This species is distinct from other species of Hypnea in having percurrent and cylindrical axis, linear to lanceolate branchlets in axes except their lower portion and medullary cell walls without lenticular thickenings. This Korean entity is identified as Hypnea chordacea K$\ddot{u}$tzing (Gigartinales, Rhodophyta) based on those features. This is the first record of Hypnea chordacea in Korea.

New Record of a Marine Algal Species, Ahnfeltiopsis linearis (Phyllophoraceae, Gigartinales), in Korea

  • Kang, Pil Joon;Nam, Ki Wan
    • Korean Journal of Environmental Biology
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    • v.35 no.4
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    • pp.521-525
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    • 2017
  • A marine algal species belonging to Gigartinales was collected from Geoje, Korea. This shares the generic features of Ahnfeltiopsis, such as multiaxial thalli with a compact and pseudoparenchymatous medulla, densely cytoplasmic secondary medullary cells around immersed cystocarps with a carpostome, and is distinct from similar species within the genus by a combined feature of small (up to 4 cm tall) and tuft thalli, compressed to subcompressed branches except for ultimate branchlets and base of main axes, cartilaginous in texture, dichotomous branches, rarely produced proliferations, absence of hypha-like filament in the medulla and internal cystocarps with a carpostome. In phylogenetic tree based on rbcL sequence, the Korean species nests in the same clade with Ahnfeltiopsis linearis. The genetic distance between both sequences within the clade was 1.5%, considered to be within the intra-species range for the genus. This morphological and molecular evidence confirms the Korean alga to be identified as A. linearis originally described from California. This is the first record of A. linearis in Korea.

First Record of the Genus Abludomelita (Crustacea, Amphipoda, Melitidae) from Korea, with Description of Two Newly Recorded Species

  • Choi, Jae-Hong;Shin, Myung-Hwa;Kim, Young-Hyo
    • Animal Systematics, Evolution and Diversity
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    • v.38 no.4
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    • pp.248-259
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    • 2022
  • Two newly recorded species of melitid amphipod, Abludomelita japonica (Nagata, 1965) and A. okhotensis Labay, 2016 belonging to the family Melitidae Bousfield, 1973 were collected from Korean waters. To date, only two genera, Dulichiella Stout, 1912 and Melita Leach, 1814, of the 28 genera of Melitidae have been recorded in Korea, so this is the first record of the genus Abludomelita from Korea. The genus Abludomelita Karaman, 1981 is morphologically similar to Melita Leach, 1814, however they are distinguished by having oblique row of setae on inner lobe of maxilla 2. Both newly recorded species are fully illustrated and compared with related species.

New Korean record of the Banded Driftfish, Psenes arafurensis (PISCES: Nomeidae)

  • Lee, Woo Jun;Ryu, Jung-Hwa;Yoon, Moongeun;An, Hye Suck;Woo, Jiyoung;Tashiro, Fumihito;Kim, Jin-Koo
    • Fisheries and Aquatic Sciences
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    • v.19 no.1
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    • pp.6.1-6.5
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    • 2016
  • Psenes arafurensis, belonging to the family Nomeidae, is described based on four specimens (184.8-199.0 mm in standard length) collected from Korea. The species is most similar to the congeneric species P. maculatus and P. pellucidus, but differs from them in the number of lateral-line scales. (44-47 in P. arafurensis vs 67-70 in P. maculatus and 120 in P. pellucidus) and the number of vertebrae (31 in P. arafurensis vs 34-38 in P. maculatus and 40-42 in P. pellucidus). The present study is a new record of P. arafurensis with voucher specimens from Korean waters.

A new record of brown algae, Papenfussiella densa from Dok-do, Korea

  • Won, Boo Yeon
    • Korean Journal of Environmental Biology
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    • v.38 no.1
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    • pp.160-164
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    • 2020
  • Papenfussiella densa was described as Papenfussiella kuromo f. densa from Japan by Inagaki in 1958. P. densa has been recognized as an endemic and independent species based on the molecular analyses of type material without detailed morphological observations. In this study, Papenfussiella densa is reported as a new record from Dok-do, South Korea, based on morphological and molecular analyses. Papenfussiella densa is mainly characterized as having narrow, branched, slimy, and tomentose thalli with branchlets, partially hollow in the medulla of the middle part. The molecular analyses of the chloroplast rbcL-rbcS DNA sequence of the Papenfussiella densa sample from Korea revealed that it matched that of P. densa from Japan and was nested in the clade of Papenfussiella. There was only a 0.02% gene sequence divergence between the Korean and Japanese samples. We report P. densa as a new record from Korea and add this species to the list of Korean macroalgal flora.

A New Species of the Spider Genus Ebrechtella Dahl and First Record of Ozyptila utotchkini Marusik, with the First Description of the Male of Ozyptila geumoensis Seo and Sohn (Araneae, Thomisidae) from Korea

  • Seo, Bo Keun
    • Korean Journal of Environmental Biology
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    • v.33 no.2
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    • pp.112-118
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    • 2015
  • A new species of the genus Ebrechtella Dahl, Ebrechtella juwangensis n. sp. and the male of Ozyptila geumoensis Seo and Sohn, 1997 are reported new to science. Ozyptila utotchkini Marusik, 1990 is reported for the first time in Korea. Habitus photos and illustrations of these three species are provided.

A New Record of the Cosmopolitan Species Caprella mutica (Crustacea: Amphipoda: Caprellidae) from Korean Waters, with Comparison to Caprella acanthogaster

  • Heo, Jun-Haeng;Shin, So-Yeon;Lee, Chang-Mok;Kim, Young-Hyo
    • Animal Systematics, Evolution and Diversity
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    • v.36 no.2
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    • pp.185-191
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    • 2020
  • A newly recorded species Caprella mutica Schurin, 1935 belonging to the family Caprellidae Leach, 1814 was collected from the East Sea, Korea. Caprella mutica is native to the north-east Asia but is a well-known cosmopolitan and invasive species in many areas. This species is morphologically highly similar to C. acanthogaster Mayer, 1890. However, it is distinguished from a combination of the characteristics of the head, pereonites 1-2, and gnathopod 2. In this study, the Korean C. mutica is fully illustrated based on the mature specimens and compared to C. acanthogaster.

Morphological description and molecular identification of juvenile of the previously unrecorded species Hoplolatilus chlupatyi (Malacanthidae) in the South Sea of Korea (한국 남해에서 출현한 옥돔과(Malacanthidae) 어류 1 미기록종 Hoplolatilus chlupatyi 치어의 형태기재 및 분자동정)

  • KIM, Yi-Jung;YU, Hyo-Jae;KIM, Jin-Koo
    • Journal of the Korean Society of Fisheries and Ocean Technology
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    • v.56 no.4
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    • pp.316-321
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    • 2020
  • A single juvenile malacanthid specimen (Hoplolatilus chlupatyi) was collected from the South Sea of Korea and identified by DNA barcoding. This species is readily distinguished from other malacanthid species in having well developed rostral spine and elongated spines in the posttemporal and preopercle. A molecular analysis based on mitochondrial DNA COI sequences showed that this species is matched to adult H. chlupatyi (genetic distance = 0.005). Therefore, this is the first record of H. chlupatyi in Korea. We propose new Korean names, "Mu-ji-gae-og-dom-sog" for the genus Hoplolatilus and "Mu-ji-gae-og-dom" for the species H. chlupatyi.