Alternative male reproductive strategies in the peacock blenny
Identifieur interne : 001284 ( Main/Exploration ); précédent : 001283; suivant : 001285Alternative male reproductive strategies in the peacock blenny
Auteurs : F. Ruchon [France] ; T. Laugier [France] ; J. P. Quignard [France]Source :
- Journal of Fish Biology [ 0022-1112 ] ; 1995-11.
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Abstract
A 4‐year study (1989–1992) of a population of Lipophrys pavo living in a brackish lagoon (Maugio, France) revealed three types of male during the spawning season (April to September): (i) nest‐breeder males which are territorial, and have well‐developed secondary sexual characteristics; (ii) non‐functional males which were abundant only in 1991 when population density was very high and (iii) 1‐year‐old kleptogamic males with small body size which possess neither secondary sexual organs nor a testicular gland, although their testes are functional and hyperdeveloped (up to 10.5% of carcass weight). The percentage of kleptogamic males was fairly stable in the population (from 7.9 to 10.0%) and highly variable in their age class (from 8.5 to 51.3%). It is suggested that kleptogamy is a conditional strategy adopted by smaller males.
Url:
DOI: 10.1111/j.1095-8649.1995.tb06005.x
Affiliations:
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The percentage of kleptogamic males was fairly stable in the population (from 7.9 to 10.0%) and highly variable in their age class (from 8.5 to 51.3%). It is suggested that kleptogamy is a conditional strategy adopted by smaller males.</div></front></TEI><affiliations><list><country><li>France</li></country><region><li>Languedoc-Roussillon</li><li>Occitanie (région administrative)</li></region><settlement><li>Montpellier</li></settlement></list><tree><country name="France"><region name="Occitanie (région administrative)"><name sortKey="Ruchon, F" sort="Ruchon, F" uniqKey="Ruchon F" first="F." last="Ruchon">F. Ruchon</name></region><name sortKey="Laugier, T" sort="Laugier, T" uniqKey="Laugier T" first="T." last="Laugier">T. Laugier</name><name sortKey="Quignard, J P" sort="Quignard, J P" uniqKey="Quignard J" first="J. P." last="Quignard">J. P. Quignard</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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