Growth of the black-lip pearl oyster, Pinctada margaritifera, in suspended culture under hydrobiological conditions of Takapoto lagoon (French Polynesia)

Type Article
Date 2000-04
Language English
Author(s) Pouvreau StephaneORCID, Tiapari Jerome, Gangnery AlineORCID, Lagarde FranckORCID, Garnier MatthieuORCID, Teissier Hinano, Haumani G, Buestel Dominique, Bodoy Alain
Affiliation(s) CREMA, F-17137 Houmeau, France.
IFREMER, COP, Taravao, Tahiti, Fr Polynesia.
IFREMER, PALAVAS, F-34250 Palavas Les Flots, France.
Stn Takapoto, SRM, Tuamotu, Fr Polynesia.
Source Aquaculture (0044-8486) (Elsevier), 2000-04 , Vol. 184 , N. 1-2 , P. 133-154
DOI 10.1016/S0044-8486(99)00319-1
WOS© Times Cited 40
Keyword(s) Pearl culture, Matter in suspension, Biochemical composition, Length weight relations ship, Tropical lagoon, Growth, Pinctada margaritifera
Abstract Growth of the black-lip pearl oyster, Pinctada margaritifera var. cumingi, was studied for an annual cycle, from March 1997 to April 1998, in the lagoon of Takapoto atoll (Tuamotu archipelago, French Polynesia). Growth in shell and in tissue were measured every 15 days on three successive age groups of cultivated pearl oysters. At the same time, hydrobiological parameters (temperature, salinity, oxygen concentration, suspended particulate matter), known to have influence on bivalve growth, were followed each week during culture. No seasonal trend was observed in hydrobiological parameters, except for temperature which varied between 26 degrees C and 31 degrees C. The potential food for pearl oysters (particulate organic matter, POM, mg l(-1)) was slightly concentrated, but always available, so that, in this lagoon environment, no period seemed to be unfavourable to pearl oyster growth. Effectively, growth in shell was regular and shell did not exhibit any annual ring. Nevertheless, as it is often the case for bivalves, shell growth showed a progressive decrease with the age of pearl oyster and followed a classical Von Bertalanffy model: H = 160.5 (1 - e(-0.038(t-3.73))) with H the shell height (in mm) and t the age tin months). On the other side, growth in tissue did not follow the same pattern than for shell: P. margaritifera exhibited reduced growth rate in tissue during the warm season (November-April) so that a seasonal growth model was more appropriate: W-tissue = 6.9/(1 + e((5.58-0.208 t-0.435 sin (2 pi/12) ((t-1.427)) with W-tissue. the dry tissue weight (in g) and t the age tin months). Several results concerning growth rates should be of interest for pearl farming. Firstly, the progressive decrease measured in shell growth rate implies, for peal seeding operations, that the sooner the nucleus is implanted, the greater is the rate of nacreous deposition on this nucleus, and shorter is the time to obtain a marketable pearl for farmers. Secondly, exhaustive comparison, between growth rates obtained in our study and those obtained in other lagoons, tended to demonstrate that there is a small but significant variability in growth between lagoons of the Tuamotu archipelago. Further investigations need to be engaged in order to determine the most suitable sites for pearl farming in French Polynesia. Finally, comparison between growth of P. margaritifera var. cumingi and growth of other pearl oysters showed that P. maxima but also P. margaritifera var. erythraensis would also exhibit fast growth in Polynesian waters and then, would constitute potential candidates for further Polynesian diversification projects.
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Pouvreau Stephane, Tiapari Jerome, Gangnery Aline, Lagarde Franck, Garnier Matthieu, Teissier Hinano, Haumani G, Buestel Dominique, Bodoy Alain (2000). Growth of the black-lip pearl oyster, Pinctada margaritifera, in suspended culture under hydrobiological conditions of Takapoto lagoon (French Polynesia). Aquaculture, 184(1-2), 133-154. Publisher's official version : , Open Access version :