Estimation of age, growth, and length at first maturity of the round herring Etrumeus acuminatus (Gilbert, 1890) on the western coast of Baja California Sur, Mexico
In Mexico, the round herring Etrumeus acuminatus is caught along with other small pelagic fishes of the Western Baja California Sur coast (WBCSC) and Gulf of California. This species has a discontinuous distribution on the eastern margin of the Pacific Ocean, and its population structure and dynamic...
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| Veröffentlicht in: | Latin american journal of aquatic research 2024-11, Vol.52 (5), p.713-726 |
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| creator | Flores-Anaya, Ricardo Javier Quinonez-Velazquez, Casimiro Arizmendi-Rodriguez, Dana Isela Moreno-Sanchez, Xchel Gabriel |
| description | In Mexico, the round herring Etrumeus acuminatus is caught along with other small pelagic fishes of the Western Baja California Sur coast (WBCSC) and Gulf of California. This species has a discontinuous distribution on the eastern margin of the Pacific Ocean, and its population structure and dynamics are unknown. In this study, we evaluated the direct determination of age using otoliths, estimated length at first sexual maturity (L50), and individual growth parameter determination of round herrings caught off the WBCSC. A total of 731 specimens were collected through monthly biological sampling from 2012 to 2022. Age-length data were obtained from 617 otoliths. The growth was isometric (b = 3); however, the differences in the length-weight relationship were significant between sexes (F = 7621, P < 0.05). Up to seven age groups were identified (0 ± 6). The L50 and individual growth parameters were estimated using a multimodel approach. The Lysack (1979), White et al. (2002), Brouwer & Griffiths (2005), and logistic models showed statistically solid support for L50 estimation in both sexes. The von Bertalanffy model provided the best fit for the data to describe individual growth in both sexes. Significant differences between sexes were detected in the L50 estimates (P < 0.05). However, the differences in growth parameters between sexes were not statistically significant (P > 0.05). |
| doi_str_mv | 10.3856/vol52-issue5-fulltext-3201 |
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This species has a discontinuous distribution on the eastern margin of the Pacific Ocean, and its population structure and dynamics are unknown. In this study, we evaluated the direct determination of age using otoliths, estimated length at first sexual maturity (L50), and individual growth parameter determination of round herrings caught off the WBCSC. A total of 731 specimens were collected through monthly biological sampling from 2012 to 2022. Age-length data were obtained from 617 otoliths. The growth was isometric (b = 3); however, the differences in the length-weight relationship were significant between sexes (F = 7621, P < 0.05). Up to seven age groups were identified (0 ± 6). The L50 and individual growth parameters were estimated using a multimodel approach. The Lysack (1979), White et al. (2002), Brouwer & Griffiths (2005), and logistic models showed statistically solid support for L50 estimation in both sexes. The von Bertalanffy model provided the best fit for the data to describe individual growth in both sexes. Significant differences between sexes were detected in the L50 estimates (P < 0.05). However, the differences in growth parameters between sexes were not statistically significant (P > 0.05).</description><identifier>ISSN: 0718-560X</identifier><identifier>EISSN: 0718-560X</identifier><identifier>DOI: 10.3856/vol52-issue5-fulltext-3201</identifier><language>eng</language><publisher>Valparaiso: Pontificia Universidad Catolica de Valparaiso, Escuela de Ciencias del Mar</publisher><subject>Age ; Age composition ; Age determination ; Age groups ; Biological sampling ; Chronology ; Dynamic structural analysis ; Etrumeus ; Fish ; FISHERIES ; Fishing ; Geographical distribution ; Herrings ; Isometric ; Length-weight relationships ; MARINE & FRESHWATER BIOLOGY ; Marine fishes ; OCEANOGRAPHY ; Otoliths ; Parameter estimation ; Parameter identification ; Parameters ; Pelagic fish ; Population structure ; Population studies ; Sexes ; Sexual maturity ; Statistical analysis</subject><ispartof>Latin american journal of aquatic research, 2024-11, Vol.52 (5), p.713-726</ispartof><rights>COPYRIGHT 2024 Pontificia Universidad Catolica de Valparaiso, Escuela de Ciencias del Mar</rights><rights>Copyright Pontificia Universidad Catolica de Valparaiso Nov 2024</rights><rights>This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><orcidid>0000-0002-4376-1753 ; 0000-0001-8270-6688 ; 0000-0002-6638-6191 ; 0009-0006-2376-0047</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,314,776,780,881,27901,27902</link.rule.ids></links><search><creatorcontrib>Flores-Anaya, Ricardo Javier</creatorcontrib><creatorcontrib>Quinonez-Velazquez, Casimiro</creatorcontrib><creatorcontrib>Arizmendi-Rodriguez, Dana Isela</creatorcontrib><creatorcontrib>Moreno-Sanchez, Xchel Gabriel</creatorcontrib><title>Estimation of age, growth, and length at first maturity of the round herring Etrumeus acuminatus (Gilbert, 1890) on the western coast of Baja California Sur, Mexico</title><title>Latin american journal of aquatic research</title><addtitle>Lat. Am. J. Aquat. Res</addtitle><description>In Mexico, the round herring Etrumeus acuminatus is caught along with other small pelagic fishes of the Western Baja California Sur coast (WBCSC) and Gulf of California. This species has a discontinuous distribution on the eastern margin of the Pacific Ocean, and its population structure and dynamics are unknown. In this study, we evaluated the direct determination of age using otoliths, estimated length at first sexual maturity (L50), and individual growth parameter determination of round herrings caught off the WBCSC. A total of 731 specimens were collected through monthly biological sampling from 2012 to 2022. Age-length data were obtained from 617 otoliths. The growth was isometric (b = 3); however, the differences in the length-weight relationship were significant between sexes (F = 7621, P < 0.05). Up to seven age groups were identified (0 ± 6). The L50 and individual growth parameters were estimated using a multimodel approach. The Lysack (1979), White et al. (2002), Brouwer & Griffiths (2005), and logistic models showed statistically solid support for L50 estimation in both sexes. The von Bertalanffy model provided the best fit for the data to describe individual growth in both sexes. Significant differences between sexes were detected in the L50 estimates (P < 0.05). However, the differences in growth parameters between sexes were not statistically significant (P > 0.05).</description><subject>Age</subject><subject>Age composition</subject><subject>Age determination</subject><subject>Age groups</subject><subject>Biological sampling</subject><subject>Chronology</subject><subject>Dynamic structural analysis</subject><subject>Etrumeus</subject><subject>Fish</subject><subject>FISHERIES</subject><subject>Fishing</subject><subject>Geographical distribution</subject><subject>Herrings</subject><subject>Isometric</subject><subject>Length-weight relationships</subject><subject>MARINE & FRESHWATER BIOLOGY</subject><subject>Marine fishes</subject><subject>OCEANOGRAPHY</subject><subject>Otoliths</subject><subject>Parameter estimation</subject><subject>Parameter identification</subject><subject>Parameters</subject><subject>Pelagic fish</subject><subject>Population structure</subject><subject>Population studies</subject><subject>Sexes</subject><subject>Sexual maturity</subject><subject>Statistical analysis</subject><issn>0718-560X</issn><issn>0718-560X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><sourceid>N95</sourceid><sourceid>BENPR</sourceid><recordid>eNpVkttu1DAQhiMEElXpO1hwA1LS-pAjd2W1FKQiLgoSd5bjjBOvErv40MP78KA4bFF3bcljWd8_oxn_WfaW4HPWVvXFnZ0rWmjvI1SFivMc4CEUjGLyIjvBDWmLqsa_Xh7cX2dn3u9wWhUjNa1Osj9bH_QigrYGWYXECDkanb0PU46EGdAMZgwTEgEp7XxACY1Oh8cVDhMgZ2OiJnBOmxFtg4sLRI-EjIs2ifXo_ZWee3AhR6Tt8AeUCq3Ce_ABnEHSipQ2ZfskdgJtxKyVdUYLdBNdjr7Bg5b2TfZKidnD2VM8zX5-3v7YfCmuv1993VxeF5LhJnVOeimBsLprFYOOUhCyHAZKBjq0veqw6DuqsCA0RSa7DmOJBxhqLGCQZcNOs_N9Xi81zJbvbHQmFeQ36wT5OkGKabmOD2OCyyR4txfcOvs7po6eJYyUuGwbWuFnahQzcG2UDU7IRXvJL1tSd7StmoPiR1TaAyxpBgaUTu9HgvxA0EevDfh0eD1OwY8ien-Mf9zj0lnvHSh-69LPu0dOMF_9xP_5ie_9xP_7ia9-Yn8BxnXCUg</recordid><startdate>20241101</startdate><enddate>20241101</enddate><creator>Flores-Anaya, Ricardo Javier</creator><creator>Quinonez-Velazquez, Casimiro</creator><creator>Arizmendi-Rodriguez, Dana Isela</creator><creator>Moreno-Sanchez, Xchel Gabriel</creator><general>Pontificia Universidad Catolica de Valparaiso, Escuela de Ciencias del Mar</general><general>Pontificia Universidad Catolica de Valparaiso</general><general>Pontificia Universidad Católica de Valparaíso. 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Am. J. Aquat. Res</addtitle><date>2024-11-01</date><risdate>2024</risdate><volume>52</volume><issue>5</issue><spage>713</spage><epage>726</epage><pages>713-726</pages><issn>0718-560X</issn><eissn>0718-560X</eissn><abstract>In Mexico, the round herring Etrumeus acuminatus is caught along with other small pelagic fishes of the Western Baja California Sur coast (WBCSC) and Gulf of California. This species has a discontinuous distribution on the eastern margin of the Pacific Ocean, and its population structure and dynamics are unknown. In this study, we evaluated the direct determination of age using otoliths, estimated length at first sexual maturity (L50), and individual growth parameter determination of round herrings caught off the WBCSC. A total of 731 specimens were collected through monthly biological sampling from 2012 to 2022. Age-length data were obtained from 617 otoliths. The growth was isometric (b = 3); however, the differences in the length-weight relationship were significant between sexes (F = 7621, P < 0.05). Up to seven age groups were identified (0 ± 6). The L50 and individual growth parameters were estimated using a multimodel approach. The Lysack (1979), White et al. (2002), Brouwer & Griffiths (2005), and logistic models showed statistically solid support for L50 estimation in both sexes. The von Bertalanffy model provided the best fit for the data to describe individual growth in both sexes. Significant differences between sexes were detected in the L50 estimates (P < 0.05). However, the differences in growth parameters between sexes were not statistically significant (P > 0.05).</abstract><cop>Valparaiso</cop><pub>Pontificia Universidad Catolica de Valparaiso, Escuela de Ciencias del Mar</pub><doi>10.3856/vol52-issue5-fulltext-3201</doi><tpages>14</tpages><orcidid>https://orcid.org/0000-0002-4376-1753</orcidid><orcidid>https://orcid.org/0000-0001-8270-6688</orcidid><orcidid>https://orcid.org/0000-0002-6638-6191</orcidid><orcidid>https://orcid.org/0009-0006-2376-0047</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Age Age composition Age determination Age groups Biological sampling Chronology Dynamic structural analysis Etrumeus Fish FISHERIES Fishing Geographical distribution Herrings Isometric Length-weight relationships MARINE & FRESHWATER BIOLOGY Marine fishes OCEANOGRAPHY Otoliths Parameter estimation Parameter identification Parameters Pelagic fish Population structure Population studies Sexes Sexual maturity Statistical analysis |
| title | Estimation of age, growth, and length at first maturity of the round herring Etrumeus acuminatus (Gilbert, 1890) on the western coast of Baja California Sur, Mexico |
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