First record of gray rockcod Lepidonotothen squamifrons larvae in the Amundsen Sea, Antarctic: implication for a new spawning ground and early life characteristics
The gray rockcod Lepidonotothen squamifrons is widespread throughout the Antarctic region; however, little is known about its early life information. Highly abundant gray rockcod larvae were collected in the Amundsen Sea polynyas during a zooplankton survey conducted in March 2022. This is the first...
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| Veröffentlicht in: | Polar biology 2023-02, Vol.46 (2), p.133-138 |
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| creator | Guo, Huilin Zhang, Chi Duan, Mi Li, Jianchao Zhang, Wenchao Tian, Yongjun |
| description | The gray rockcod
Lepidonotothen squamifrons
is widespread throughout the Antarctic region; however, little is known about its early life information. Highly abundant gray rockcod larvae were collected in the Amundsen Sea polynyas during a zooplankton survey conducted in March 2022. This is the first record of gray rockcod larvae in high abundance found at high latitudes in the Southern Ocean. The otolith microstructure analysis provided more insight into the early life characteristics of gray rockcod. A total of 41 individuals with a standard length of 9.6–15.3 mm were estimated to be 6–11 days. Multiple primordia were recorded in the otolith for the first time. The Gompertz model was well fitted to the age–length data, indicating a mean daily growth rate of 0.66 mm day
−1
(SE = 0.35). Larval hatching occurred at a size of 4.08 mm (SE = 3.85) and was concentrated over a short period in early March. Compared to the populations observed at lower latitudes, the gray rockcod in the Amundsen Sea polynyas showed later hatch times, smaller hatch sizes, and faster growth rates. Therefore, we speculate that Amundsen Sea polynyas are potential spawning grounds for gray rockcod. The spatial differences in early life characteristics revealed herein could contribute to our understanding of the life history strategy and adaptation of the gray rockcod. |
| doi_str_mv | 10.1007/s00300-022-03111-7 |
| format | Article |
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Lepidonotothen squamifrons
is widespread throughout the Antarctic region; however, little is known about its early life information. Highly abundant gray rockcod larvae were collected in the Amundsen Sea polynyas during a zooplankton survey conducted in March 2022. This is the first record of gray rockcod larvae in high abundance found at high latitudes in the Southern Ocean. The otolith microstructure analysis provided more insight into the early life characteristics of gray rockcod. A total of 41 individuals with a standard length of 9.6–15.3 mm were estimated to be 6–11 days. Multiple primordia were recorded in the otolith for the first time. The Gompertz model was well fitted to the age–length data, indicating a mean daily growth rate of 0.66 mm day
−1
(SE = 0.35). Larval hatching occurred at a size of 4.08 mm (SE = 3.85) and was concentrated over a short period in early March. Compared to the populations observed at lower latitudes, the gray rockcod in the Amundsen Sea polynyas showed later hatch times, smaller hatch sizes, and faster growth rates. Therefore, we speculate that Amundsen Sea polynyas are potential spawning grounds for gray rockcod. The spatial differences in early life characteristics revealed herein could contribute to our understanding of the life history strategy and adaptation of the gray rockcod.</description><identifier>ISSN: 0722-4060</identifier><identifier>EISSN: 1432-2056</identifier><identifier>DOI: 10.1007/s00300-022-03111-7</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Animal morphology ; Antarctic zone ; Biomedical and Life Sciences ; Commercial fishing ; Ecology ; Fish ; Fisheries ; Fishing ; Growth rate ; Hatching ; Laboratories ; Larvae ; Latitude ; Lepidonotothen squamifrons ; Life history ; Life Sciences ; Microbiology ; Microstructure ; New records ; Oceanography ; Original Paper ; Plankton ; Plant Sciences ; Polynyas ; Primordia ; Research ships ; Sebastes ; Spatial variations ; Spawning ; Spawning grounds ; Zoology ; Zooplankton</subject><ispartof>Polar biology, 2023-02, Vol.46 (2), p.133-138</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2022. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</rights><rights>COPYRIGHT 2023 Springer</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c353t-980cc9430d7090392af8b853079e11722b6cf3f06019edc9d47da98bac3a742c3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00300-022-03111-7$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00300-022-03111-7$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Guo, Huilin</creatorcontrib><creatorcontrib>Zhang, Chi</creatorcontrib><creatorcontrib>Duan, Mi</creatorcontrib><creatorcontrib>Li, Jianchao</creatorcontrib><creatorcontrib>Zhang, Wenchao</creatorcontrib><creatorcontrib>Tian, Yongjun</creatorcontrib><title>First record of gray rockcod Lepidonotothen squamifrons larvae in the Amundsen Sea, Antarctic: implication for a new spawning ground and early life characteristics</title><title>Polar biology</title><addtitle>Polar Biol</addtitle><description>The gray rockcod
Lepidonotothen squamifrons
is widespread throughout the Antarctic region; however, little is known about its early life information. Highly abundant gray rockcod larvae were collected in the Amundsen Sea polynyas during a zooplankton survey conducted in March 2022. This is the first record of gray rockcod larvae in high abundance found at high latitudes in the Southern Ocean. The otolith microstructure analysis provided more insight into the early life characteristics of gray rockcod. A total of 41 individuals with a standard length of 9.6–15.3 mm were estimated to be 6–11 days. Multiple primordia were recorded in the otolith for the first time. The Gompertz model was well fitted to the age–length data, indicating a mean daily growth rate of 0.66 mm day
−1
(SE = 0.35). Larval hatching occurred at a size of 4.08 mm (SE = 3.85) and was concentrated over a short period in early March. Compared to the populations observed at lower latitudes, the gray rockcod in the Amundsen Sea polynyas showed later hatch times, smaller hatch sizes, and faster growth rates. Therefore, we speculate that Amundsen Sea polynyas are potential spawning grounds for gray rockcod. The spatial differences in early life characteristics revealed herein could contribute to our understanding of the life history strategy and adaptation of the gray rockcod.</description><subject>Animal morphology</subject><subject>Antarctic zone</subject><subject>Biomedical and Life Sciences</subject><subject>Commercial fishing</subject><subject>Ecology</subject><subject>Fish</subject><subject>Fisheries</subject><subject>Fishing</subject><subject>Growth rate</subject><subject>Hatching</subject><subject>Laboratories</subject><subject>Larvae</subject><subject>Latitude</subject><subject>Lepidonotothen squamifrons</subject><subject>Life history</subject><subject>Life Sciences</subject><subject>Microbiology</subject><subject>Microstructure</subject><subject>New records</subject><subject>Oceanography</subject><subject>Original Paper</subject><subject>Plankton</subject><subject>Plant Sciences</subject><subject>Polynyas</subject><subject>Primordia</subject><subject>Research ships</subject><subject>Sebastes</subject><subject>Spatial variations</subject><subject>Spawning</subject><subject>Spawning grounds</subject><subject>Zoology</subject><subject>Zooplankton</subject><issn>0722-4060</issn><issn>1432-2056</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNp9kcFuEzEQhlcIJELhBTiNxJVtx-vdOOYWVRQqReIAnK2J105dNvZ27FDleXhRXBaJG7IsS57vn3_sv2neCrwUiOoqI0rEFruuRSmEaNWzZiV62bUdDuvnzQpVLfW4xpfNq5zvEYVa93rV_LoJnAuws4lHSB4OTGfgZH_YNMLOzWFMMZVU7lyE_HCiY_CcYoaJ-Cc5CBFqCbbHUxxzRb46eg_bWIhtCfYDhOM8BUslpAg-MRBE9wh5pscY4qG6pSoEqtsRT2eYgndg74jJFsch1yb5dfPC05Tdm7_nRfP95uO368_t7sun2-vtrrVykKXVG7RW9xJHhRql7shv9ptBotJOiPr-_dp66esfCO1Gq8dejaQ3e7KSVN9ZedG8W_rOnB5OLhdzn04cq6XplFJDh1KpSl0u1IEmZ0L0qdRh6xrdMdgUnQ_1fqsqO6h-0FXQLQLLKWd23swcjsRnI9A8pWeW9ExNz_xJzzy5yEWUKxwPjv_N8h_Vb0danz8</recordid><startdate>20230201</startdate><enddate>20230201</enddate><creator>Guo, Huilin</creator><creator>Zhang, Chi</creator><creator>Duan, Mi</creator><creator>Li, Jianchao</creator><creator>Zhang, Wenchao</creator><creator>Tian, Yongjun</creator><general>Springer Berlin Heidelberg</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7QL</scope><scope>7SN</scope><scope>7SS</scope><scope>7T7</scope><scope>7TN</scope><scope>7U9</scope><scope>88A</scope><scope>8AO</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BBNVY</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>H94</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>P64</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope></search><sort><creationdate>20230201</creationdate><title>First record of gray rockcod Lepidonotothen squamifrons larvae in the Amundsen Sea, Antarctic: implication for a new spawning ground and early life characteristics</title><author>Guo, Huilin ; Zhang, Chi ; Duan, Mi ; Li, Jianchao ; Zhang, Wenchao ; Tian, Yongjun</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c353t-980cc9430d7090392af8b853079e11722b6cf3f06019edc9d47da98bac3a742c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Animal morphology</topic><topic>Antarctic zone</topic><topic>Biomedical and Life Sciences</topic><topic>Commercial fishing</topic><topic>Ecology</topic><topic>Fish</topic><topic>Fisheries</topic><topic>Fishing</topic><topic>Growth rate</topic><topic>Hatching</topic><topic>Laboratories</topic><topic>Larvae</topic><topic>Latitude</topic><topic>Lepidonotothen squamifrons</topic><topic>Life history</topic><topic>Life Sciences</topic><topic>Microbiology</topic><topic>Microstructure</topic><topic>New records</topic><topic>Oceanography</topic><topic>Original Paper</topic><topic>Plankton</topic><topic>Plant Sciences</topic><topic>Polynyas</topic><topic>Primordia</topic><topic>Research ships</topic><topic>Sebastes</topic><topic>Spatial variations</topic><topic>Spawning</topic><topic>Spawning grounds</topic><topic>Zoology</topic><topic>Zooplankton</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Guo, Huilin</creatorcontrib><creatorcontrib>Zhang, Chi</creatorcontrib><creatorcontrib>Duan, Mi</creatorcontrib><creatorcontrib>Li, Jianchao</creatorcontrib><creatorcontrib>Zhang, Wenchao</creatorcontrib><creatorcontrib>Tian, Yongjun</creatorcontrib><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Oceanic Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Biology Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest One Sustainability</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Biological Science Collection</collection><collection>Algology Mycology and Protozoology Abstracts (Microbiology C)</collection><collection>Biological Science Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>Polar biology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Guo, Huilin</au><au>Zhang, Chi</au><au>Duan, Mi</au><au>Li, Jianchao</au><au>Zhang, Wenchao</au><au>Tian, Yongjun</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>First record of gray rockcod Lepidonotothen squamifrons larvae in the Amundsen Sea, Antarctic: implication for a new spawning ground and early life characteristics</atitle><jtitle>Polar biology</jtitle><stitle>Polar Biol</stitle><date>2023-02-01</date><risdate>2023</risdate><volume>46</volume><issue>2</issue><spage>133</spage><epage>138</epage><pages>133-138</pages><issn>0722-4060</issn><eissn>1432-2056</eissn><abstract>The gray rockcod
Lepidonotothen squamifrons
is widespread throughout the Antarctic region; however, little is known about its early life information. Highly abundant gray rockcod larvae were collected in the Amundsen Sea polynyas during a zooplankton survey conducted in March 2022. This is the first record of gray rockcod larvae in high abundance found at high latitudes in the Southern Ocean. The otolith microstructure analysis provided more insight into the early life characteristics of gray rockcod. A total of 41 individuals with a standard length of 9.6–15.3 mm were estimated to be 6–11 days. Multiple primordia were recorded in the otolith for the first time. The Gompertz model was well fitted to the age–length data, indicating a mean daily growth rate of 0.66 mm day
−1
(SE = 0.35). Larval hatching occurred at a size of 4.08 mm (SE = 3.85) and was concentrated over a short period in early March. Compared to the populations observed at lower latitudes, the gray rockcod in the Amundsen Sea polynyas showed later hatch times, smaller hatch sizes, and faster growth rates. Therefore, we speculate that Amundsen Sea polynyas are potential spawning grounds for gray rockcod. The spatial differences in early life characteristics revealed herein could contribute to our understanding of the life history strategy and adaptation of the gray rockcod.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s00300-022-03111-7</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Polar biology, 2023-02, Vol.46 (2), p.133-138 |
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| source | SpringerLink Journals - AutoHoldings |
| subjects | Animal morphology Antarctic zone Biomedical and Life Sciences Commercial fishing Ecology Fish Fisheries Fishing Growth rate Hatching Laboratories Larvae Latitude Lepidonotothen squamifrons Life history Life Sciences Microbiology Microstructure New records Oceanography Original Paper Plankton Plant Sciences Polynyas Primordia Research ships Sebastes Spatial variations Spawning Spawning grounds Zoology Zooplankton |
| title | First record of gray rockcod Lepidonotothen squamifrons larvae in the Amundsen Sea, Antarctic: implication for a new spawning ground and early life characteristics |
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