Spawning and early development of captive yellowfin tuna
In this study we describe the courtship and spawning behaviors of captive yellowfin tuna (Thunnus albacares), their spawning periodicity, the influence of physical and biological factors on spawning and hatching, and egg and early-larval development of this species at the Achotines Laboratory, Repub...
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| Veröffentlicht in: | Fishery bulletin (Washington, D.C.) D.C.), 2007-04, Vol.105 (2), p.249-265 |
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| container_title | Fishery bulletin (Washington, D.C.) |
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| creator | Margulies, Daniel Suter, Jenny M Hunt, Sharon L Olson, Robert J Scholey, Vernon P Wexler, Jeanne B Nakazawa, Akio |
| description | In this study we describe the courtship and spawning behaviors of captive yellowfin tuna (Thunnus albacares), their spawning periodicity, the influence of physical and biological factors on spawning and hatching, and egg and early-larval development of this species at the Achotines Laboratory, Republic of Panama, during October 1996 through March 2000. Spawning occurred almost daily over extended periods and at water temperatures from 23.3 degree to 29.7 degree C. Water temperature appeared to be the main exogenous factor controlling the occurrence and timing of spawning. Courtship and spawning behaviors were ritualized and consistent among three groups of broodstock over 3.5 years. For any date, the time of day of spawning (range: 1330 to 2130 h) was predictable from mean daily water temperature, and 95% of hatching occurred the next day between 1500 and 1900 h. We estimated that females at first spawning averaged 1.6-2.0 years of age. Over short time periods ( |
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Spawning occurred almost daily over extended periods and at water temperatures from 23.3 degree to 29.7 degree C. Water temperature appeared to be the main exogenous factor controlling the occurrence and timing of spawning. Courtship and spawning behaviors were ritualized and consistent among three groups of broodstock over 3.5 years. For any date, the time of day of spawning (range: 1330 to 2130 h) was predictable from mean daily water temperature, and 95% of hatching occurred the next day between 1500 and 1900 h. We estimated that females at first spawning averaged 1.6-2.0 years of age. Over short time periods (<1 month), spawning females increased their egg production from 30% to 234% in response to short-term increases in daily food ration of 9% to 33%. Egg diameter, notochord length (NL) at hatching, NL at first feeding, and dry weights of these stages were estimated. Water temperature was significantly, inversely related to egg size, egg-stage duration, larval size at hatching, and yolksac larval duration.</description><identifier>ISSN: 0090-0656</identifier><language>eng</language><publisher>National Marine Fisheries Service</publisher><subject>Distribution ; Marine ; Spawning ; Thunnus albacares ; Yellowfin tuna</subject><ispartof>Fishery bulletin (Washington, D.C.), 2007-04, Vol.105 (2), p.249-265</ispartof><rights>COPYRIGHT 2007 National Marine Fisheries Service</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids></links><search><creatorcontrib>Margulies, Daniel</creatorcontrib><creatorcontrib>Suter, Jenny M</creatorcontrib><creatorcontrib>Hunt, Sharon L</creatorcontrib><creatorcontrib>Olson, Robert J</creatorcontrib><creatorcontrib>Scholey, Vernon P</creatorcontrib><creatorcontrib>Wexler, Jeanne B</creatorcontrib><creatorcontrib>Nakazawa, Akio</creatorcontrib><title>Spawning and early development of captive yellowfin tuna</title><title>Fishery bulletin (Washington, D.C.)</title><description>In this study we describe the courtship and spawning behaviors of captive yellowfin tuna (Thunnus albacares), their spawning periodicity, the influence of physical and biological factors on spawning and hatching, and egg and early-larval development of this species at the Achotines Laboratory, Republic of Panama, during October 1996 through March 2000. Spawning occurred almost daily over extended periods and at water temperatures from 23.3 degree to 29.7 degree C. Water temperature appeared to be the main exogenous factor controlling the occurrence and timing of spawning. Courtship and spawning behaviors were ritualized and consistent among three groups of broodstock over 3.5 years. For any date, the time of day of spawning (range: 1330 to 2130 h) was predictable from mean daily water temperature, and 95% of hatching occurred the next day between 1500 and 1900 h. We estimated that females at first spawning averaged 1.6-2.0 years of age. Over short time periods (<1 month), spawning females increased their egg production from 30% to 234% in response to short-term increases in daily food ration of 9% to 33%. Egg diameter, notochord length (NL) at hatching, NL at first feeding, and dry weights of these stages were estimated. Water temperature was significantly, inversely related to egg size, egg-stage duration, larval size at hatching, and yolksac larval duration.</description><subject>Distribution</subject><subject>Marine</subject><subject>Spawning</subject><subject>Thunnus albacares</subject><subject>Yellowfin tuna</subject><issn>0090-0656</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><recordid>eNqNzkFLwzAUB_AeFJzT79CT4KGStGmaHMdQNxgITs8lTV5KJEtqk27u2xuYB4UdfO_w4PH7P95FNkOIowLRml5l1yF8oFSU8lnGtoM4OOP6XDiVgxjtMVewB-uHHbiYe51LMUSzh_wI1vqDNi6PkxM32aUWNsDtz5xn70-Pb8tVsXl5Xi8Xm6KvKhwLjjkhlHcNAtFpRYRqONdEc9awCoPEuuswporVneSiZEgSjTVjutFSSVVX8-zudHcY_ecEIbY7E2R6RTjwU2hLVHLCSZVgcYK9sNAap30chezBwSisd6BNWi8wpZjVnODkH8741Ap2Rp4N3P8JJBPhK_ZiCqFdb1__b1fr3_Ybwdd-7A</recordid><startdate>20070401</startdate><enddate>20070401</enddate><creator>Margulies, Daniel</creator><creator>Suter, Jenny M</creator><creator>Hunt, Sharon L</creator><creator>Olson, Robert J</creator><creator>Scholey, Vernon P</creator><creator>Wexler, Jeanne B</creator><creator>Nakazawa, Akio</creator><general>National Marine Fisheries Service</general><scope>IHI</scope><scope>ISR</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope></search><sort><creationdate>20070401</creationdate><title>Spawning and early development of captive yellowfin tuna</title><author>Margulies, Daniel ; Suter, Jenny M ; Hunt, Sharon L ; Olson, Robert J ; Scholey, Vernon P ; Wexler, Jeanne B ; Nakazawa, Akio</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-g331t-9194469b70eabfd4ad799f4f987831ec1fbb116d85bc9a280c4f1f88f7fcdcd53</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Distribution</topic><topic>Marine</topic><topic>Spawning</topic><topic>Thunnus albacares</topic><topic>Yellowfin tuna</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Margulies, Daniel</creatorcontrib><creatorcontrib>Suter, Jenny M</creatorcontrib><creatorcontrib>Hunt, Sharon L</creatorcontrib><creatorcontrib>Olson, Robert J</creatorcontrib><creatorcontrib>Scholey, Vernon P</creatorcontrib><creatorcontrib>Wexler, Jeanne B</creatorcontrib><creatorcontrib>Nakazawa, Akio</creatorcontrib><collection>Gale In Context: U.S. History</collection><collection>Gale In Context: Science</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>Fishery bulletin (Washington, D.C.)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Margulies, Daniel</au><au>Suter, Jenny M</au><au>Hunt, Sharon L</au><au>Olson, Robert J</au><au>Scholey, Vernon P</au><au>Wexler, Jeanne B</au><au>Nakazawa, Akio</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Spawning and early development of captive yellowfin tuna</atitle><jtitle>Fishery bulletin (Washington, D.C.)</jtitle><date>2007-04-01</date><risdate>2007</risdate><volume>105</volume><issue>2</issue><spage>249</spage><epage>265</epage><pages>249-265</pages><issn>0090-0656</issn><abstract>In this study we describe the courtship and spawning behaviors of captive yellowfin tuna (Thunnus albacares), their spawning periodicity, the influence of physical and biological factors on spawning and hatching, and egg and early-larval development of this species at the Achotines Laboratory, Republic of Panama, during October 1996 through March 2000. Spawning occurred almost daily over extended periods and at water temperatures from 23.3 degree to 29.7 degree C. Water temperature appeared to be the main exogenous factor controlling the occurrence and timing of spawning. Courtship and spawning behaviors were ritualized and consistent among three groups of broodstock over 3.5 years. For any date, the time of day of spawning (range: 1330 to 2130 h) was predictable from mean daily water temperature, and 95% of hatching occurred the next day between 1500 and 1900 h. We estimated that females at first spawning averaged 1.6-2.0 years of age. Over short time periods (<1 month), spawning females increased their egg production from 30% to 234% in response to short-term increases in daily food ration of 9% to 33%. Egg diameter, notochord length (NL) at hatching, NL at first feeding, and dry weights of these stages were estimated. Water temperature was significantly, inversely related to egg size, egg-stage duration, larval size at hatching, and yolksac larval duration.</abstract><pub>National Marine Fisheries Service</pub><tpages>17</tpages></addata></record> |
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| identifier | ISSN: 0090-0656 |
| ispartof | Fishery bulletin (Washington, D.C.), 2007-04, Vol.105 (2), p.249-265 |
| issn | 0090-0656 |
| language | eng |
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| source | DOAJ Directory of Open Access Journals |
| subjects | Distribution Marine Spawning Thunnus albacares Yellowfin tuna |
| title | Spawning and early development of captive yellowfin tuna |
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