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<identifier>oai:HAL:hal-00746079v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Structure, reproduction, and diet of Lophogobius cyprinoides (Gobiidae) in a lagoon of Guadeloupe (French West Indies)</title>
<creator>Bouchereau, Jean-Luc</creator>
<creator>Cordonnier, Sébastien</creator>
<creator>Nelson, Laetitia</creator>
<contributor>Systématique, adaptation, évolution (SAE) ; Université Pierre et Marie Curie - Paris 6 (UPMC) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<contributor>Dynamique des écosystèmes Caraïbe et biologie des espèces associées (DYNECAR EA 926) ; Université des Antilles et de la Guyane (UAG)</contributor>
<contributor>Laboratoire Ressources Halieutiques Antilles ; Institut Français de Recherche pour l'Exploitation de la Mer (IFREMER)</contributor>
<description>International audience</description>
<source>ISSN: 0007-9723</source>
<source>EISSN: 2262-3094</source>
<source>Cahiers de Biologie Marine</source>
<publisher>Station Biologique</publisher>
<identifier>hal-00746079</identifier>
<identifier>https://hal.univ-antilles.fr/hal-00746079</identifier>
<source>https://hal.univ-antilles.fr/hal-00746079</source>
<source>Cahiers de Biologie Marine, Station Biologique, 2012, 53 (1), pp.1-16</source>
<language>en</language>
<subject lang=en>goby</subject>
<subject lang=en> mangrove</subject>
<subject lang=en> sex-ratio</subject>
<subject lang=en> protogyny</subject>
<subject lang=en> sedentarism</subject>
<subject lang=en> wes-indies</subject>
<subject lang=en> coastal lagoon</subject>
<subject>[SDV.BA] Life Sciences [q-bio]/Animal biology</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>From fish samplings (rotenone: 6 February 2002 & 13 May 2003; boxtraps: January 2008 to July 2009) in amangrove lagoon, the demographic structure, reproductive period and diet of Lophogobius cyprinoides were studied.Individual fish were measured (< 1 mm), weighed (± 0.01 g), and sexed by observing the urogenital papilla, sex-ratios andtotal length (TL)-standard length and length-mass relationships were calculated. Five individuals per size class (2 mm) wereused to study sexual maturity by macroscopic observation of gonad structure with a sexual maturity scale, and diet byqualitative and quantitative examination of digestive tract contents and calculation of the following indices: levels offullness and vacuity; occurrence, number, and point frequencies of various food items, and quality of nutrition. Growth isisometric and sexual dimorphism in favor of males (78 vs. 64 mm), demographic structure (18 ≤ TL ≤ 78 mm) and conditionevolved over time, with a distinct femininization of the population. Sexual inversion appeared from 46 mm onward, andtotal masculinization at 72 mm. Protogynous hermaphrodism is advantageous in a sedentary, subcryptobenthic species thatis reproductively active almost throughout the year. The species has an omnivorous diet specialized in copepods and plants</description>
<date>2012</date>
</dc>
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