Protogynous hermaphroditism in the parrotfish, Calotomus japonicus
Identifieur interne : 000785 ( Main/Exploration ); précédent : 000784; suivant : 000786Protogynous hermaphroditism in the parrotfish, Calotomus japonicus
Auteurs : Dirk Kusen [Indonésie] ; Akinobu Nakazono [Japon]Source :
- Japanese Journal of Ichthyology [ 0021-5090 ] ; 1991-06-01.
Abstract
Abstract: Sexual patterns of the parrotfish,Calotomus japonicus, were studied using fifteen specimens collected in February and April, 1990, near Makurazaki, Kagoshima Prefecture. The males ranged from 265 to 345 mm SL, and were larger than the females on average. Most females ranged from 202 to 260 mm SL, but a female of 305 mm SL was obtained. Sexual dichromatism was conspicuous. Histological examination of the gonads and low values of gonado-somatic indices of both males and females indicated that they were not in spawning season. It was concluded that C.japonicus is a protogynous hermaphrodite, because all male specimens had secondary testes. It was pointed out that the present species has a weak size-sex relationship. Because the specimens examined did not include primary males, it is suggested that primary males are relatively rare, if they occur at all.
Url:
DOI: 10.1007/BF02910107
Affiliations:
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 000482
- to stream Istex, to step Curation: 000482
- to stream Istex, to step Checkpoint: 000493
- to stream Main, to step Merge: 000808
- to stream Main, to step Curation: 000785
Le document en format XML
<record><TEI wicri:istexFullTextTei="biblStruct"><teiHeader><fileDesc><titleStmt><title xml:lang="en">Protogynous hermaphroditism in the parrotfish, Calotomus japonicus</title>
<author><name sortKey="Kusen, Dirk" sort="Kusen, Dirk" uniqKey="Kusen D" first="Dirk" last="Kusen">Dirk Kusen</name>
</author>
<author><name sortKey="Nakazono, Akinobu" sort="Nakazono, Akinobu" uniqKey="Nakazono A" first="Akinobu" last="Nakazono">Akinobu Nakazono</name>
</author>
</titleStmt>
<publicationStmt><idno type="wicri:source">ISTEX</idno>
<idno type="RBID">ISTEX:68BCD939D4D3F16DE7D9C24B2ECCFF67353D4DB2</idno>
<date when="1991" year="1991">1991</date>
<idno type="doi">10.1007/BF02910107</idno>
<idno type="url">https://api.istex.fr/document/68BCD939D4D3F16DE7D9C24B2ECCFF67353D4DB2/fulltext/pdf</idno>
<idno type="wicri:Area/Istex/Corpus">000482</idno>
<idno type="wicri:Area/Istex/Curation">000482</idno>
<idno type="wicri:Area/Istex/Checkpoint">000493</idno>
<idno type="wicri:doubleKey">0021-5090:1991:Kusen D:protogynous:hermaphroditism:in</idno>
<idno type="wicri:Area/Main/Merge">000808</idno>
<idno type="wicri:Area/Main/Curation">000785</idno>
<idno type="wicri:Area/Main/Exploration">000785</idno>
</publicationStmt>
<sourceDesc><biblStruct><analytic><title level="a" type="main" xml:lang="en">Protogynous hermaphroditism in the parrotfish, Calotomus japonicus</title>
<author><name sortKey="Kusen, Dirk" sort="Kusen, Dirk" uniqKey="Kusen D" first="Dirk" last="Kusen">Dirk Kusen</name>
<affiliation wicri:level="1"><country xml:lang="fr">Indonésie</country>
<wicri:regionArea>Faculty of Fisheries, Sam Ratulangi University, Manado</wicri:regionArea>
<wicri:noRegion>Manado</wicri:noRegion>
</affiliation>
</author>
<author><name sortKey="Nakazono, Akinobu" sort="Nakazono, Akinobu" uniqKey="Nakazono A" first="Akinobu" last="Nakazono">Akinobu Nakazono</name>
<affiliation wicri:level="4"><country xml:lang="fr">Japon</country>
<wicri:regionArea>Department of Fisheries, Faculty of Agriculture, Kyushu University, Higashi-ku, Hakozaki, 812, Fukuoka</wicri:regionArea>
<orgName type="university">Université de Kyūshū</orgName>
<placeName><settlement type="city">Fukuoka</settlement>
<region type="province">Kyūshū</region>
<region type="prefecture">Préfecture de Fukuoka</region>
</placeName>
</affiliation>
</author>
</analytic>
<monogr></monogr>
<series><title level="j">Japanese Journal of Ichthyology</title>
<title level="j" type="abbrev">Jap. Jour. Ich.</title>
<idno type="ISSN">0021-5090</idno>
<idno type="eISSN">1616-3915</idno>
<imprint><publisher>Springer-Verlag</publisher>
<pubPlace>Tokyo</pubPlace>
<date type="published" when="1991-06-01">1991-06-01</date>
<biblScope unit="volume">38</biblScope>
<biblScope unit="issue">1</biblScope>
<biblScope unit="page" from="41">41</biblScope>
<biblScope unit="page" to="45">45</biblScope>
</imprint>
<idno type="ISSN">0021-5090</idno>
</series>
<idno type="istex">68BCD939D4D3F16DE7D9C24B2ECCFF67353D4DB2</idno>
<idno type="DOI">10.1007/BF02910107</idno>
<idno type="ArticleID">BF02910107</idno>
<idno type="ArticleID">Art7</idno>
</biblStruct>
</sourceDesc>
<seriesStmt><idno type="ISSN">0021-5090</idno>
</seriesStmt>
</fileDesc>
<profileDesc><textClass></textClass>
<langUsage><language ident="en">en</language>
</langUsage>
</profileDesc>
</teiHeader>
<front><div type="abstract" xml:lang="en">Abstract: Sexual patterns of the parrotfish,Calotomus japonicus, were studied using fifteen specimens collected in February and April, 1990, near Makurazaki, Kagoshima Prefecture. The males ranged from 265 to 345 mm SL, and were larger than the females on average. Most females ranged from 202 to 260 mm SL, but a female of 305 mm SL was obtained. Sexual dichromatism was conspicuous. Histological examination of the gonads and low values of gonado-somatic indices of both males and females indicated that they were not in spawning season. It was concluded that C.japonicus is a protogynous hermaphrodite, because all male specimens had secondary testes. It was pointed out that the present species has a weak size-sex relationship. Because the specimens examined did not include primary males, it is suggested that primary males are relatively rare, if they occur at all.</div>
</front>
</TEI>
<affiliations><list><country><li>Indonésie</li>
<li>Japon</li>
</country>
<region><li>Kyūshū</li>
<li>Préfecture de Fukuoka</li>
</region>
<settlement><li>Fukuoka</li>
</settlement>
<orgName><li>Université de Kyūshū</li>
</orgName>
</list>
<tree><country name="Indonésie"><noRegion><name sortKey="Kusen, Dirk" sort="Kusen, Dirk" uniqKey="Kusen D" first="Dirk" last="Kusen">Dirk Kusen</name>
</noRegion>
</country>
<country name="Japon"><region name="Kyūshū"><name sortKey="Nakazono, Akinobu" sort="Nakazono, Akinobu" uniqKey="Nakazono A" first="Akinobu" last="Nakazono">Akinobu Nakazono</name>
</region>
</country>
</tree>
</affiliations>
</record>
Pour manipuler ce document sous Unix (Dilib)
EXPLOR_STEP=$WICRI_ROOT/Wicri/Eau/explor/ScalaireV1/Data/Main/Exploration
HfdSelect -h $EXPLOR_STEP/biblio.hfd -nk 000785 | SxmlIndent | more
Ou
HfdSelect -h $EXPLOR_AREA/Data/Main/Exploration/biblio.hfd -nk 000785 | SxmlIndent | more
Pour mettre un lien sur cette page dans le réseau Wicri
{{Explor lien |wiki= Wicri/Eau |area= ScalaireV1 |flux= Main |étape= Exploration |type= RBID |clé= ISTEX:68BCD939D4D3F16DE7D9C24B2ECCFF67353D4DB2 |texte= Protogynous hermaphroditism in the parrotfish, Calotomus japonicus }}
This area was generated with Dilib version V0.6.27. |