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        <identifier>oai:fra.repo.nii.ac.jp:02002248</identifier>
        <datestamp>2025-12-16T08:12:12Z</datestamp>
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          <dc:title xml:lang="ja">クロタチカマス科魚類の初期生活史(1)　アブラソコムツ Lepidocybium flavobrunneum (SMITH) の後期仔魚および稚魚</dc:title>
          <dc:title xml:lang="en">Early development of the fishes of the family Gempylidae(1)　Larvae and juveniles of escolar, Lepidocybium flavobrunneum (SMITH)</dc:title>
          <jpcoar:creator>
            <jpcoar:creatorName xml:lang="ja">西川, 康夫</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="ja-Kana">ニシカワ, ヤスオ</jpcoar:creatorName>
            <jpcoar:creatorName xml:lang="en">Nishikawa, Yasuo</jpcoar:creatorName>
            <jpcoar:familyName xml:lang="ja">西川</jpcoar:familyName>
            <jpcoar:familyName xml:lang="ja-Kana">ニシカワ</jpcoar:familyName>
            <jpcoar:familyName xml:lang="en">Nishikawa</jpcoar:familyName>
            <jpcoar:givenName xml:lang="ja">康夫</jpcoar:givenName>
            <jpcoar:givenName xml:lang="ja-Kana">ヤスオ</jpcoar:givenName>
            <jpcoar:givenName xml:lang="en">Yasuo</jpcoar:givenName>
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          <datacite:description xml:lang="en" descriptionType="Abstract">Meristic and morphological features of a total of 22 postlarval and juvenile specimens (3.0 - 33.0 mm standard length, SL) referable to the escolar, Lepidocybium flavobrunneum (SMITH) of the family Gempylidae were described. They were obtained from ichthyoplankton collections from the western equatorial Pacific and the central South and eastern Indian Oceans. The postlarval and juvenile escolar are characterized by the 2 spiny projections on the supraoccipital region and the spine on the anterior tip of maxillary. The curved striation seen on the top of head, the heavily pigmented abdominal cavity and the black pigments in the spinous dorsal fin membrane are also important characters which may distinguish them from larval forms of the related species. The larval and juvenile escolar mainly occur in the tropical and subtropical seas, while the range of adult catches extends roughly between Lat. 40°N and 40°S along the coasts of the continents. Their occurrence is in general limited to areas rather close to oceanic islands and large islands. It is, therefore, suggested that most of their spawning takes place in near-shore areas, not far out into the oceanic region.</datacite:description>
          <datacite:description xml:lang="ja" descriptionType="Abstract">水産庁調査船および地方公庁船のマグロ稚仔調査により採集されたクロタチカマス科の仔稚魚について,各形質の特徴および成長に伴なう形態変化を検討した。その結果,西部太平洋の赤道付近と中部インド洋から得られた22個体がアブラソコムツ,L.flavobrunneum と同定された。本種の仔稚魚は上後頭骨部に2個の棘状突起と主上顎骨の先端部に1棘がある点で従来報告されているクロタチカマス科の他種の幼,稚仔から容易に識別される。更に,本種の後期仔魚には頭頂部に特徴的な striation,腹腔部および背鰭棘条部には発達した黒色素胞の分布がみとめられる。これらの特徴も本種の仔魚期および稚魚期の識別形質として重要である。アブラソコムツ稚仔の採集域は1例を除いていずれも大陸の沿岸あるいは島嶼周辺水域であった。仔稚魚の採集状況ならびに成魚の分布状態からみて本種の主産卵域は熱帯および亜熟帯水域の大陸沿岸や島嶼周辺水域と考えられる。</datacite:description>
          <dc:publisher xml:lang="ja">遠洋水産研究所</dc:publisher>
          <dc:publisher xml:lang="en">Far Seas Fisheries Research Laboratry</dc:publisher>
          <datacite:date dateType="Issued">1982-11</datacite:date>
          <dc:language>eng</dc:language>
          <dc:type rdf:resource="http://purl.org/coar/resource_type/c_6501">departmental bulletin paper</dc:type>
          <jpcoar:identifier identifierType="URI">https://fra.repo.nii.ac.jp/records/2002248</jpcoar:identifier>
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            <jpcoar:relatedIdentifier identifierType="Local">enyo_k_19-1</jpcoar:relatedIdentifier>
          </jpcoar:relation>
          <jpcoar:relation>
            <jpcoar:relatedIdentifier identifierType="URI">https://agriknowledge.affrc.go.jp/RN/2010270546</jpcoar:relatedIdentifier>
            <jpcoar:relatedTitle xml:lang="ja">日本農学文献記事索引 （AgriKnowledge）</jpcoar:relatedTitle>
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          <jpcoar:sourceIdentifier identifierType="NCID">AN00025949</jpcoar:sourceIdentifier>
          <jpcoar:sourceIdentifier identifierType="PISSN">0386-7285</jpcoar:sourceIdentifier>
          <jpcoar:sourceTitle xml:lang="ja">遠洋水産研究所研究報告</jpcoar:sourceTitle>
          <jpcoar:sourceTitle xml:lang="en">Bulletin, Far Seas Fisheries Research Laboratry</jpcoar:sourceTitle>
          <jpcoar:volume>19</jpcoar:volume>
          <jpcoar:numPages>14</jpcoar:numPages>
          <jpcoar:pageStart>1</jpcoar:pageStart>
          <jpcoar:pageEnd>14</jpcoar:pageEnd>
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