Conand Chantal. (1993). Reproductive biology of the holothurians from major communities of the New Caledonian lagoon. Marine Biology, 116, p. 439-450. ISSN 0025-3162.
Titre du document
Reproductive biology of the holothurians from major communities of the New Caledonian lagoon
Année de publication
1993
Type de document
Article
Auteurs
Conand Chantal
Source
Marine Biology, 1993,
116, p. 439-450 ISSN 0025-3162
The reproductive biology of nine species of aspidochirote holothurians from the majour communities of the New Caledonian lagoon has been analysed. The data were obtained from monthly sampling from 1978 to 1982 of their populations on reef slopes and passes for Holothuria nobilis, H. fuscogilva, H. fuscopuctata and Thelenota ananas in the inner lagoon for Stichopus variegatus, H. scabra and H. scabra versicolor and on reef flats for Actynoptyga mauritiana, A. echinites and H. atra. The morphology and anatomy of the gonads and their annual cycle are described. The reproductive cycles, composed of the five phases of gonad growth, maturing, spawning, post spawning and resting, were determined from the changes in the sexual stages, the gonad indices and the percentage of indeterminate sex. Three main reproductive patterns are recognized, annual cycles with spawning occuring during the warm season or during the cool season and a semiannual cycle. (D'après résumé d'auteur)
