pearl oyster

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  • noun

Synonyms for pearl oyster

tropical marine bivalve found chiefly off eastern Asia and Pacific coast of North America and Central America

References in periodicals archive ?
Conversely, other pearl oysters of the genus Pinctada have shown a progressive increase in the ratio THK/SH with age (Hynd 1955).
In this study, we firstly investigated the associations of genome methylation level and growth traits in pearl oyster, Pinctada fucata (P.
Also another key objective of the project is for the team to explore ways in which natural pearl oysters can be protected
Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority on sale.
They are made up of layers of calcium carbonate most popularly in the form of nacre, a natural substance produced by pearl oysters that coats the inside of the animal's shell.
With precision, 18 bags of material were emptied to create a carefully positioned layer on the sea floor of new china substrata with a view to providing a 100 square-metre nursery of sorts for thousands of young Gulf Pearl oysters.
Handling, predation, stock density and colonisation of associated species are some factors that affect the growth and survival of young pearl oysters during the early stages of cultivation (Gervis and Sims, 1992; Monteforte et al.
Joaquin Konow, development manager of Crystal Lagoons, said,"This technology for cooling industrial and thermal plants, eliminates marine pollution from cooling-dependent industries, something critical for Gulf that today is under pressure from industrialization, and has put in risk its extensive coral reefs, pearl oysters and marine ecosystems.
Then on to New Guinea for cocoa nuts, sponges, and pearl oysters, but each enterprise ended as had all the others.
The carnival is a reincarnation of the historic "Al Gafal" marine trip, a voyage that used to be undertaken by the Emarati Ships returning from their long voyage to collect pearl oysters from the high seas.
This significant accomplishment is comparable to that of the Japanese in the 1920s when they commercially applied the original pearl culture techniques developed for pearl oysters.
Saltwater pearls were the more highly prized but harvesting them was a difficult and dangerous process involving diving for pearl oysters, mainly in the Indian Ocean.
They were popular jewels before 1892, when Mikimoto Kokichi, a Japanese pearl farmer, invented the cultured pearl, inserting semi-globular mother-of-pearl beads into pearl oysters and inducing them to form half pearls around the beads.
A local marine environmentalist said such large-scale reclamation projects could cause massive disturbances to the undersea environment and harm marine life that thrives there, including mackerel, grouper, shrimp, pearl oysters, dolphins, and sea horses.