Analysis of the ontogenetic variation in body and beak shape of the Illex argentinus inner shelf spawning groups by geometric morphometrics
In this paper we analysed size and shape differences of body (mantle and fins) and inferior beak of the squid Illex argentinus from two Patagonian inner-shelf spawning groups. A new method was developed to reconstruct three-dimensional coordinates based on the 2-D projection of the beak on a plane....
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| Veröffentlicht in: | Journal of the Marine Biological Association of the United Kingdom 2010-05, Vol.90 (3), p.547-553 |
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| container_title | Journal of the Marine Biological Association of the United Kingdom |
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| creator | Crespi-Abril, Augusto César Morsan, Enrique Mario Barón, Pedro José |
| description | In this paper we analysed size and shape differences of body (mantle and fins) and inferior beak of the squid Illex argentinus from two Patagonian inner-shelf spawning groups. A new method was developed to reconstruct three-dimensional coordinates based on the 2-D projection of the beak on a plane. Shape of the beak did not vary between groups, sexes and maturity condition of individuals. Also, no beak shape changes were observed through the ontogeny. In contrast, as larger and heavier squids were considered in shape analysis, body widened near the fin insertion, and fin area increased. Our results suggest that shape adaptations of I. argentinus through the ontogeny reflect modifications to optimize swimming performance rather than to increase gamete holding capacity. |
| doi_str_mv | 10.1017/S0025315409990567 |
| format | Article |
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A new method was developed to reconstruct three-dimensional coordinates based on the 2-D projection of the beak on a plane. Shape of the beak did not vary between groups, sexes and maturity condition of individuals. Also, no beak shape changes were observed through the ontogeny. In contrast, as larger and heavier squids were considered in shape analysis, body widened near the fin insertion, and fin area increased. Our results suggest that shape adaptations of I. argentinus through the ontogeny reflect modifications to optimize swimming performance rather than to increase gamete holding capacity.</description><identifier>ISSN: 0025-3154</identifier><identifier>EISSN: 1469-7769</identifier><identifier>DOI: 10.1017/S0025315409990567</identifier><identifier>CODEN: JMBAAK</identifier><language>eng</language><publisher>Cambridge, UK: Cambridge University Press</publisher><subject>Animal and plant ecology ; Animal, plant and microbial ecology ; Animals ; Argentinean short-fin squid ; Autoecology ; Biological and medical sciences ; coastal spawning groups ; Digital cameras ; Discriminant analysis ; Fundamental and applied biological sciences. 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Mar. Biol. Ass</addtitle><description>In this paper we analysed size and shape differences of body (mantle and fins) and inferior beak of the squid Illex argentinus from two Patagonian inner-shelf spawning groups. A new method was developed to reconstruct three-dimensional coordinates based on the 2-D projection of the beak on a plane. Shape of the beak did not vary between groups, sexes and maturity condition of individuals. Also, no beak shape changes were observed through the ontogeny. In contrast, as larger and heavier squids were considered in shape analysis, body widened near the fin insertion, and fin area increased. Our results suggest that shape adaptations of I. argentinus through the ontogeny reflect modifications to optimize swimming performance rather than to increase gamete holding capacity.</description><subject>Animal and plant ecology</subject><subject>Animal, plant and microbial ecology</subject><subject>Animals</subject><subject>Argentinean short-fin squid</subject><subject>Autoecology</subject><subject>Biological and medical sciences</subject><subject>coastal spawning groups</subject><subject>Digital cameras</subject><subject>Discriminant analysis</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>geometric morphometrics</subject><subject>Hominids</subject><subject>Illex argentinus</subject><subject>Invertebrates</subject><subject>Mammalia</subject><subject>Marine</subject><subject>Mollusca</subject><subject>Spawning</subject><subject>Swimming</subject><subject>Vertebrata</subject><issn>0025-3154</issn><issn>1469-7769</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</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>eNp1kc2O1DAQhCMEEsPCA3AzB8Qp4L_YyXE1gmGllQABZ6uTtDPeTexgJ7DzDLw0Hs2wSCBOLau-qi65i-I5o68ZZfrNZ0p5JVgladM0tFL6QbFhUjWl1qp5WGyOcnnUHxdPUrqhlDKl603x89LDeEgukWDJskcS_BIG9Li4jnyH6GBxwRPnSRv6AwHfkxbhlqQ9zPjbczWOeEcgZt_i_Joy7jFmBkdL0gw_vPMDGWJY50TaAxkwTLjEvGEKcd6fH-lp8cjCmPDZeV4UX9-9_bJ9X15_2F1tL6_LrqJqKZXQfd9yLVSnpbSiraDpaY0dcFoJoNzyxope047RRlpUrUXeVswKwLaXKC6KV6fcOYZvK6bFTC51OI7gMazJaFkpwRTnmXzxF3kT1ph_LJm6YbUSUmSGnZguhpQiWjNHN0E8GEbN8Tbmn9tkz8tzLqQORhvBdy7dGznXdS2bOnPliXNpwbt7HeKtySm6Mmr3yUhJ-fajoGaXeXHuAlMbXT_gn8L_b_MLyKuvGA</recordid><startdate>20100501</startdate><enddate>20100501</enddate><creator>Crespi-Abril, Augusto César</creator><creator>Morsan, Enrique Mario</creator><creator>Barón, Pedro José</creator><general>Cambridge University Press</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QG</scope><scope>7SN</scope><scope>7TN</scope><scope>88A</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>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>GNUQQ</scope><scope>H95</scope><scope>HCIFZ</scope><scope>L.G</scope><scope>LK8</scope><scope>M7N</scope><scope>M7P</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope></search><sort><creationdate>20100501</creationdate><title>Analysis of the ontogenetic variation in body and beak shape of the Illex argentinus inner shelf spawning groups by geometric morphometrics</title><author>Crespi-Abril, Augusto César ; Morsan, Enrique Mario ; Barón, Pedro José</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c506t-637ddb2736c744f3b5a9d08eca2053a02f29f3d70c1094fe6bfe2b51f3aebd4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Animal and plant ecology</topic><topic>Animal, plant and microbial ecology</topic><topic>Animals</topic><topic>Argentinean short-fin squid</topic><topic>Autoecology</topic><topic>Biological and medical sciences</topic><topic>coastal spawning groups</topic><topic>Digital cameras</topic><topic>Discriminant analysis</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>geometric morphometrics</topic><topic>Hominids</topic><topic>Illex argentinus</topic><topic>Invertebrates</topic><topic>Mammalia</topic><topic>Marine</topic><topic>Mollusca</topic><topic>Spawning</topic><topic>Swimming</topic><topic>Vertebrata</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Crespi-Abril, Augusto César</creatorcontrib><creatorcontrib>Morsan, Enrique Mario</creatorcontrib><creatorcontrib>Barón, Pedro José</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Ecology Abstracts</collection><collection>Oceanic Abstracts</collection><collection>Biology Database (Alumni Edition)</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 (ProQuest)</collection><collection>Earth, Atmospheric & Aquatic 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>ProQuest Central Student</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>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><jtitle>Journal of the Marine Biological Association of the United Kingdom</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Crespi-Abril, Augusto César</au><au>Morsan, Enrique Mario</au><au>Barón, Pedro José</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of the ontogenetic variation in body and beak shape of the Illex argentinus inner shelf spawning groups by geometric morphometrics</atitle><jtitle>Journal of the Marine Biological Association of the United Kingdom</jtitle><addtitle>J. Mar. Biol. Ass</addtitle><date>2010-05-01</date><risdate>2010</risdate><volume>90</volume><issue>3</issue><spage>547</spage><epage>553</epage><pages>547-553</pages><issn>0025-3154</issn><eissn>1469-7769</eissn><coden>JMBAAK</coden><abstract>In this paper we analysed size and shape differences of body (mantle and fins) and inferior beak of the squid Illex argentinus from two Patagonian inner-shelf spawning groups. A new method was developed to reconstruct three-dimensional coordinates based on the 2-D projection of the beak on a plane. Shape of the beak did not vary between groups, sexes and maturity condition of individuals. Also, no beak shape changes were observed through the ontogeny. In contrast, as larger and heavier squids were considered in shape analysis, body widened near the fin insertion, and fin area increased. 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| subjects | Animal and plant ecology Animal, plant and microbial ecology Animals Argentinean short-fin squid Autoecology Biological and medical sciences coastal spawning groups Digital cameras Discriminant analysis Fundamental and applied biological sciences. Psychology geometric morphometrics Hominids Illex argentinus Invertebrates Mammalia Marine Mollusca Spawning Swimming Vertebrata |
| title | Analysis of the ontogenetic variation in body and beak shape of the Illex argentinus inner shelf spawning groups by geometric morphometrics |
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