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bead is inserted into the shell and layers of nacre become deposited around this. The oysters are kept in wire nets suspended from rafts while both oysters and pearls grow. Readiness for harvest is often determined by x-ray. Not only is the pearl gathered, but the nacre lining the inside of the
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connected by a long straight hinge. The length of the shell is slightly greater than its width, and the latter is about 85% of the length of the hinge. The right valve is flatter than the left and there are hinge teeth in both valves. The
291:. Water enters the shell through an opening in the mantle, passes over the gills where food particles are filtered out and gas exchange takes place, and passes out through another opening. These pearl oysters feed on
252:
ear is large. The outer surface of the valves is scaly and reddish or golden brown with pale radiating streaks. The inner surface of the valve is lined with a thick layer of golden-yellow
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Akoya oysters can be eaten raw, cooked or cured. Its flavor is subtle when eaten raw, and more buttery and creamy when cooked. The texture is described as similar to
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and gametes are released into the sea where fertilisation takes place. In India, spawning peaks from June to
September and again in November and December, during the
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Japan and
Australia are the largest producers of cultured pearls. The process takes place within the tissues of living oysters, the species
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in
Australia. The oyster spat is grown in mesh baskets immersed in the sea for two or three years until large enough to seed. Then a tiny
275:, and coastal waters of India, China, Korea, Japan, and the Western Pacific Ocean. It has been introduced in coastal waters of Venezuela
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stage and after about twenty-four days settle on the seabed and become juvenile oysters known as
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ear is larger than that in other members of the genus and there is a slit-like notch for the
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valves of the shell is used in jewelry and in the manufacture of ornamental objects.
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threads to pass through at the junction of the ear and the rest of the shell. The
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212:, the pearl oysters. Some authorities classify this oyster as
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is native to the Indo-Pacific region. Its range includes the
527:"Pearl producer turns by-product into seafood delicacy"
502:"The local delicacy putting WA on the world food map"
216:(Gould, 1850). It is native to shallow waters in the
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424:"Pearl culture in India: Taxonomy and Distribution"
344:being mainly used for this purpose in Japan and
318:periods. The developing larvae pass through a
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382:
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456:Pearl oyster farming and pearl culture
428:Pearl oyster farming and pearl culture
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452:"Pearl culture in India: Biology"
401:World Register of Marine Species
35:
1:
283:Like other bivalve mollusks,
506:stateofwander.thewest.com.au
738:
722:Bivalves described in 1850
525:Logan, Tyne (2017-03-25).
387:Bouchet, Philippe (2013).
310:The sexes are separate in
220:region and is used in the
214:Pinctada fucata martensii
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167:Pinctada martensii fucata
163:
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32:Scientific classification
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481:Encyclopædia Britannica
256:with a metallic sheen.
186:Akoya pearl oyster
16:Species of bivalve
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663:Open Tree of Life
553:Taxon identifiers
222:culture of pearls
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477:"Cultured pearl"
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303:and other small
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561:Pinctada fucata
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391:Pinctada fucata
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352:mother-of-pearl
347:Pinctada maxima
336:Pinctada fucata
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312:Pinctada fucata
285:Pinctada fucata
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265:Pinctada fucata
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233:Pinctada fucata
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181:Pinctada fucata
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141:Pinctada fucata
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25:Pinctada fucata
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393:(Gould, 1850)"
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341:Pteria penguin
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132:Binomial name
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534:. Retrieved
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404:. Retrieved
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301:radiolarians
297:foraminifers
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273:Persian Gulf
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260:Distribution
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218:Indo-Pacific
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676:SeaLifeBase
307:organisms.
293:infusorians
228:Description
711:Categories
536:2023-01-12
511:2023-01-12
486:2014-02-15
462:2014-02-15
434:2014-02-15
406:2014-02-15
371:References
305:planktonic
717:Pteriidae
250:posterior
210:Pteriidae
117:Species:
99:Pteriidae
55:Kingdom:
49:Eukaryota
629:11323041
570:Wikidata
531:ABC News
242:anterior
235:has two
194:), is a
158:Synonyms
110:Pinctada
95:Family:
89:Pteriida
79:Bivalvia
69:Mollusca
65:Phylum:
59:Animalia
45:Domain:
616:4374765
603:4746601
576:Q420600
458:. F A O
430:. F A O
365:abalone
359:As food
320:veliger
316:monsoon
279:Biology
269:Red Sea
206:mollusk
203:bivalve
196:species
151:, 1850)
105:Genus:
85:Order:
75:Class:
694:397170
668:978934
655:397170
590:502913
271:, the
246:byssus
237:valves
200:marine
184:, the
689:WoRMS
681:83837
642:50426
624:IRMNG
397:WoRMS
287:is a
254:nacre
149:Gould
650:OBIS
637:NCBI
611:GBIF
585:BOLD
338:and
324:spat
191:阿古屋貝
598:EoL
198:of
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379:^
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188:(
147:(
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
