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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">tinro</journal-id><journal-title-group><journal-title xml:lang="ru">Известия ТИНРО</journal-title><trans-title-group xml:lang="en"><trans-title>Izvestiya TINRO</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1606-9919</issn><issn pub-type="epub">2658-5510</issn><publisher><publisher-name>ТИНРО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26428/1606-9919-2025-205-480-492</article-id><article-id custom-type="elpub" pub-id-type="custom">tinro-1062</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>БИОЛОГИЧЕСКИЕ РЕСУРСЫ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BIOLOGICAL RESOURCES</subject></subj-group></article-categories><title-group><article-title>Биологические характеристики и оценки возраста по чешуе и отолитам симы Oncorhynchus masou (Salmonidae) из Охотского моря</article-title><trans-title-group xml:lang="en"><trans-title>Biological characteristics and age estimation by scales and otoliths of masu salmon Oncorhynchus masou (Salmonidae) from the Okhotsk Sea</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0002-1375-586X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Цыгир</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Tsygir</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Цыгир Виктор Валентинович, главный специалист</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Victor V. Tsygir, chief specialist</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">victor-innet@yandex.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-3753-4650</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шевляков</surname><given-names>В. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Shevlyakov</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Шевляков Валерий Александрович, кандидат биологических наук, ведущий научный сотрудник</p><p>690091, г. Владивосток, пер. Шевченко, 4</p></bio><bio xml:lang="en"><p>Valery A. Shevlyakov, leading researcher</p><p>4, Shevchenko Alley, Vladivostok, 690091</p></bio><email xlink:type="simple">valerii.shevliakov@tinro.vniro.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тихоокеанский филиал ВНИРО (ТИНРО)</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Pacific branch of VNIRO (TINRO)</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>09</day><month>10</month><year>2025</year></pub-date><volume>205</volume><issue>3</issue><fpage>480</fpage><lpage>492</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Цыгир В.В., Шевляков В.А., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Цыгир В.В., Шевляков В.А.</copyright-holder><copyright-holder xml:lang="en">Tsygir V.V., Shevlyakov V.A.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://izvestiya.tinro-center.ru/jour/article/view/1062">https://izvestiya.tinro-center.ru/jour/article/view/1062</self-uri><abstract><p>Определен возраст симы, выловленной при траловых исследованиях на НИС «Профессор Кагановский» осенью 2024 г. в Охотском море, по чешуе и отолитам. Для этого были собраны образцы чешуи у 85 экз. симы длиной тела от 240 до 456 мм (массой от 159 до 1425 г). Для проведения сравнительного анализа оценок возраста по чешуе и отолитам у 70 экз. были собраны отолиты. Согласно полученным данным по чешуе доля симы в возрасте 1.0+ составила 76 %, доля особей в возрасте 2.0+ — 24 % (N = 76), по отолитам — доля симы в возрасте 1.0+ составила 66 %, в возрасте 2.0+ — 34 % (N = 68). Все исследованные экземпляры были в возрасте р.0+, перезимовавших в море особей симы (в возрасте р.1+) не обнаружено. Приводятся изображения чешуи и отолитов симы в возрасте 1.0+ и 2.0+ с пояснениями оценок определения возраста, а также биологические показатели выловленных рыб в соответствии с оценками их возраста и координатами поимки. Представлены данные по пространственному распределению симы в Охотском море в период осенней съемки 2024 г. на НИС «Профессор Кагановский» и «ТИНРО».</p></abstract><trans-abstract xml:lang="en"><p>Age of masu salmon in catches of RV Professor Kaganovsky trawl survey in the Okhotsk Sea in autumn 2024 is estimated by scales and otoliths. The scale samples were collected from 85 specimens of masu salmon with body length from 240 to 456 mm (weight 159–1425 g) and the otoliths were taken from 70 of these specimens. The percentage of ﬁsh at age 1.0+ and 2.0+ was 76:24 for the estimations by scales (N = 76) and 66:34 for the estimations by otoliths (N = 68). All examined specimens were at age R.0+; the masu salmon overwintered at sea (age R.1+) were not observed. Images of the scales and otoliths of ﬁsh at ages 1.0+ and 2.0+ are provided with explanations. Biological data on the examined specimens are presented with the coordinates of their capture and results of the age estimation. Spatial distribution of masu salmon in the Okhotsk Sea in autumn of 2024 is discussed on the data of joint survey of RV Professor Kaganovsky and RV TINRO.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сима</kwd><kwd>траловые уловы</kwd><kwd>Охотское море</kwd><kwd>отолиты</kwd><kwd>чешуя</kwd><kwd>определение возраста</kwd></kwd-group><kwd-group xml:lang="en"><kwd>masu salmon</kwd><kwd>trawl catch</kwd><kwd>Okhotsk Sea</kwd><kwd>otolith</kwd><kwd>fish scale</kwd><kwd>age estimation</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Лапко В.В., Старцев А.В. Новые данные о морском периоде жизни молоди симы Oncorhynchus masou в Охотском море // Биол. моря. — 1996. — Т. 22, № 3. — С. 163–166.</mixed-citation><mixed-citation xml:lang="en">Lapko, V.V. and Startsev, A.V., New data on the marine life of the young masu salmon Oncorhynchus masou in the Sea of Okhotsk, Russ. J. 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