Maturity and spawning of painted lizardfish, Trachinocephalus myops (Bloch and Schneider, 1801) in the southeastern China Sea
Summary Ovaries of 1159 Trachinocephalus myops were examined, and six oocyte stages were histologically identified whereby each stage of ovary development was observed almost every month. The sex ratio was not different from 1 : 1 (P > 0.01). The weight‐length relationship was estimated as BW = 0...
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| Veröffentlicht in: | Journal of applied ichthyology 2013-10, Vol.29 (5), p.1050-1055 |
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| creator | Yang, J.-L. Chen, L.-H. Hu, T.-J. |
| description | Summary
Ovaries of 1159 Trachinocephalus myops were examined, and six oocyte stages were histologically identified whereby each stage of ovary development was observed almost every month. The sex ratio was not different from 1 : 1 (P > 0.01). The weight‐length relationship was estimated as BW = 0.0077FL3.1207 (r2 = 0.976, n = 2256). Monthly composition of the oocyte stages gonadosomatic index (GSI), and condition factor (CF) were examined. The spawning season had two peaks: February to April and August to October. Sizes at 50% maturity were estimated at 18.0 and 18.7 cm FL for females and males, respectively. Fecundity estimates ranged from 11 100 to 426 200 (mean: 178 600), based on an oocyte diameter >0.2 mm. Batch fecundity was estimated to range from 1724 to 120 951 (mean: 60 200), germinal vesicle migration and mature oocytes >0.8 mm in diameter were counted, and the relative fecundity was estimated to range from 346 to 3115 (mean: 1087). The results suggest that reproductive activity occurred throughout the year, suitable for the highly variable environments utilized by this species. |
| doi_str_mv | 10.1111/jai.12190 |
| format | Article |
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Ovaries of 1159 Trachinocephalus myops were examined, and six oocyte stages were histologically identified whereby each stage of ovary development was observed almost every month. The sex ratio was not different from 1 : 1 (P > 0.01). The weight‐length relationship was estimated as BW = 0.0077FL3.1207 (r2 = 0.976, n = 2256). Monthly composition of the oocyte stages gonadosomatic index (GSI), and condition factor (CF) were examined. The spawning season had two peaks: February to April and August to October. Sizes at 50% maturity were estimated at 18.0 and 18.7 cm FL for females and males, respectively. Fecundity estimates ranged from 11 100 to 426 200 (mean: 178 600), based on an oocyte diameter >0.2 mm. Batch fecundity was estimated to range from 1724 to 120 951 (mean: 60 200), germinal vesicle migration and mature oocytes >0.8 mm in diameter were counted, and the relative fecundity was estimated to range from 346 to 3115 (mean: 1087). The results suggest that reproductive activity occurred throughout the year, suitable for the highly variable environments utilized by this species.</description><identifier>ISSN: 0175-8659</identifier><identifier>EISSN: 1439-0426</identifier><identifier>DOI: 10.1111/jai.12190</identifier><language>eng</language><publisher>Berlin: Blackwell Publishing Ltd</publisher><subject>Marine ; Trachinocephalus myops</subject><ispartof>Journal of applied ichthyology, 2013-10, Vol.29 (5), p.1050-1055</ispartof><rights>2013 Blackwell Verlag GmbH</rights><rights>Copyright © 2013 Blackwell Verlag GmbH</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c3960-ef8810b7ddf1df57f8657be418f861717f388865e0899ecbf6556b959a4fd84a3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fjai.12190$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fjai.12190$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Yang, J.-L.</creatorcontrib><creatorcontrib>Chen, L.-H.</creatorcontrib><creatorcontrib>Hu, T.-J.</creatorcontrib><title>Maturity and spawning of painted lizardfish, Trachinocephalus myops (Bloch and Schneider, 1801) in the southeastern China Sea</title><title>Journal of applied ichthyology</title><addtitle>J. Appl. Ichthyol</addtitle><description>Summary
Ovaries of 1159 Trachinocephalus myops were examined, and six oocyte stages were histologically identified whereby each stage of ovary development was observed almost every month. The sex ratio was not different from 1 : 1 (P > 0.01). The weight‐length relationship was estimated as BW = 0.0077FL3.1207 (r2 = 0.976, n = 2256). Monthly composition of the oocyte stages gonadosomatic index (GSI), and condition factor (CF) were examined. The spawning season had two peaks: February to April and August to October. Sizes at 50% maturity were estimated at 18.0 and 18.7 cm FL for females and males, respectively. Fecundity estimates ranged from 11 100 to 426 200 (mean: 178 600), based on an oocyte diameter >0.2 mm. Batch fecundity was estimated to range from 1724 to 120 951 (mean: 60 200), germinal vesicle migration and mature oocytes >0.8 mm in diameter were counted, and the relative fecundity was estimated to range from 346 to 3115 (mean: 1087). The results suggest that reproductive activity occurred throughout the year, suitable for the highly variable environments utilized by this species.</description><subject>Marine</subject><subject>Trachinocephalus myops</subject><issn>0175-8659</issn><issn>1439-0426</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2013</creationdate><recordtype>article</recordtype><recordid>eNqNkV9rFDEUxYMouFYf_AYBX1rotMlMMkke20X7h3ZFtuJjuDuTOFlnkzGZoW7B7266q30QBO_LvVx-58C9B6G3lJzQXKdrcCe0pIo8QzPKKlUQVtbP0YxQwQtZc_USvUppTQiRQtUz9PMWxim6cYvBtzgNcO-d_4qDxQM4P5oW9-4BYmtd6o7xXYSmcz40ZuignxLebMOQ8OF5H5pu57BsOm9ca-IxppLQI-w8HjuDU5hygzSa6PE8ewBeGniNXljok3nzux-gzx_e380vi5uPF1fzs5uiqVRNCmOlpGQl2tbS1nJh8yFiZRiVeaKCCltJmXeGSKVMs7I15_VKcQXMtpJBdYAO975DDN8nk0a9cakxfQ_ehClpympZsfyR8j9QLjmjpRIZffcXug5T9PkQTTmrRCnLneHRnmpiSCkaq4foNhC3mhL9mJnOmeldZpk93bP3rjfbf4P6-uzqj6LYK1x-7Y8nBcRvuhaV4PrL4kIvOSvPF4tPuqx-AadwpeE</recordid><startdate>201310</startdate><enddate>201310</enddate><creator>Yang, J.-L.</creator><creator>Chen, L.-H.</creator><creator>Hu, T.-J.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7SN</scope><scope>7TN</scope><scope>7U7</scope><scope>C1K</scope><scope>F1W</scope><scope>7ST</scope><scope>8FD</scope><scope>FR3</scope><scope>H99</scope><scope>L.F</scope><scope>L.G</scope><scope>P64</scope><scope>SOI</scope><scope>H95</scope></search><sort><creationdate>201310</creationdate><title>Maturity and spawning of painted lizardfish, Trachinocephalus myops (Bloch and Schneider, 1801) in the southeastern China Sea</title><author>Yang, J.-L. ; Chen, L.-H. ; Hu, T.-J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3960-ef8810b7ddf1df57f8657be418f861717f388865e0899ecbf6556b959a4fd84a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2013</creationdate><topic>Marine</topic><topic>Trachinocephalus myops</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Yang, J.-L.</creatorcontrib><creatorcontrib>Chen, L.-H.</creatorcontrib><creatorcontrib>Hu, T.-J.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Toxicology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ASFA: Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Marine Biotechnology Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><jtitle>Journal of applied ichthyology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Yang, J.-L.</au><au>Chen, L.-H.</au><au>Hu, T.-J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Maturity and spawning of painted lizardfish, Trachinocephalus myops (Bloch and Schneider, 1801) in the southeastern China Sea</atitle><jtitle>Journal of applied ichthyology</jtitle><addtitle>J. Appl. Ichthyol</addtitle><date>2013-10</date><risdate>2013</risdate><volume>29</volume><issue>5</issue><spage>1050</spage><epage>1055</epage><pages>1050-1055</pages><issn>0175-8659</issn><eissn>1439-0426</eissn><abstract>Summary
Ovaries of 1159 Trachinocephalus myops were examined, and six oocyte stages were histologically identified whereby each stage of ovary development was observed almost every month. The sex ratio was not different from 1 : 1 (P > 0.01). The weight‐length relationship was estimated as BW = 0.0077FL3.1207 (r2 = 0.976, n = 2256). Monthly composition of the oocyte stages gonadosomatic index (GSI), and condition factor (CF) were examined. The spawning season had two peaks: February to April and August to October. Sizes at 50% maturity were estimated at 18.0 and 18.7 cm FL for females and males, respectively. Fecundity estimates ranged from 11 100 to 426 200 (mean: 178 600), based on an oocyte diameter >0.2 mm. Batch fecundity was estimated to range from 1724 to 120 951 (mean: 60 200), germinal vesicle migration and mature oocytes >0.8 mm in diameter were counted, and the relative fecundity was estimated to range from 346 to 3115 (mean: 1087). The results suggest that reproductive activity occurred throughout the year, suitable for the highly variable environments utilized by this species.</abstract><cop>Berlin</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1111/jai.12190</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Marine Trachinocephalus myops |
| title | Maturity and spawning of painted lizardfish, Trachinocephalus myops (Bloch and Schneider, 1801) in the southeastern China Sea |
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