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Article: Reproduction in the camouflage grouper (Pisces: Serranidae) in Pohnpei, federated states of Micronesia

TitleReproduction in the camouflage grouper (Pisces: Serranidae) in Pohnpei, federated states of Micronesia
Authors
Issue Date2002
PublisherRosenstiel School of Marine and Atmospheric Science. The Journal's web site is located at http://www.rsmas.miami.edu/bms
Citation
Bulletin Of Marine Science, 2002, v. 70 n. 3, p. 851-869 How to Cite?
AbstractReproduction in the camouflage grouper, Epinephelus polyphekadion (Bleeker, 1849) was determined from 1073 individuals collected during a July 1997 pilot study and a 14-mo period in 1998-99 in Pohnpei, Micronesia, with a view to understanding sexual pattern and reproductive seasonality and to inform fisheries management. Gonadosomatic indices, combined with histological analyses of gonads, show that fish spawn during a two consecutive month period between February and April, and that gonad maturation occurs 1-2 mo prior to spawning. Sexual pattern was unresolved: histological examination of 677 individuals revealed no fish undergoing transition from functional female to functional male, although direct development of some males from juveniles is suggested and males were significantly larger than females. Mean relative fecundity was estimated to be 1350 oocytes g-1 gonad-free body weight, actual fecundity increased linearly as a function of body weight and fecundity is determinate within each aggregation period. Females spawned an average of 83 ± 17% of their vitellogenic oocytes per month, with repeat spawning by individual females during a single aggregation period.
Persistent Identifierhttp://hdl.handle.net/10722/178771
ISSN
2015 Impact Factor: 1.856
2015 SCImago Journal Rankings: 0.967
References

 

DC FieldValueLanguage
dc.contributor.authorRhodes, KLen_US
dc.contributor.authorSadovy, Yen_US
dc.date.accessioned2012-12-19T09:49:39Z-
dc.date.available2012-12-19T09:49:39Z-
dc.date.issued2002en_US
dc.identifier.citationBulletin Of Marine Science, 2002, v. 70 n. 3, p. 851-869en_US
dc.identifier.issn0007-4977en_US
dc.identifier.urihttp://hdl.handle.net/10722/178771-
dc.description.abstractReproduction in the camouflage grouper, Epinephelus polyphekadion (Bleeker, 1849) was determined from 1073 individuals collected during a July 1997 pilot study and a 14-mo period in 1998-99 in Pohnpei, Micronesia, with a view to understanding sexual pattern and reproductive seasonality and to inform fisheries management. Gonadosomatic indices, combined with histological analyses of gonads, show that fish spawn during a two consecutive month period between February and April, and that gonad maturation occurs 1-2 mo prior to spawning. Sexual pattern was unresolved: histological examination of 677 individuals revealed no fish undergoing transition from functional female to functional male, although direct development of some males from juveniles is suggested and males were significantly larger than females. Mean relative fecundity was estimated to be 1350 oocytes g-1 gonad-free body weight, actual fecundity increased linearly as a function of body weight and fecundity is determinate within each aggregation period. Females spawned an average of 83 ± 17% of their vitellogenic oocytes per month, with repeat spawning by individual females during a single aggregation period.en_US
dc.languageengen_US
dc.publisherRosenstiel School of Marine and Atmospheric Science. The Journal's web site is located at http://www.rsmas.miami.edu/bmsen_US
dc.relation.ispartofBulletin of Marine Scienceen_US
dc.titleReproduction in the camouflage grouper (Pisces: Serranidae) in Pohnpei, federated states of Micronesiaen_US
dc.typeArticleen_US
dc.identifier.emailSadovy, Y: yjsadovy@hkucc.hku.hken_US
dc.identifier.authoritySadovy, Y=rp00773en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0036590428en_US
dc.identifier.hkuros77294-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0036590428&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume70en_US
dc.identifier.issue3en_US
dc.identifier.spage851en_US
dc.identifier.epage869en_US
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridRhodes, KL=16426535600en_US
dc.identifier.scopusauthoridSadovy, Y=6603830002en_US

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