Portuguese oyster: Difference between revisions
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The '''Portugese oyster''', ''Crassostrea angulata'', is a species of oyster found in the southwest Iberian Peninsula, closely related to the [[Pacific oyster]]. Although first identified as a native European species, genetic studies have suggested that the Portugese oyster originated from the Pacific coast of Asia and was introduced to Europe by Portugese trading ships in the 16th century. The species are usually found in coastal river mouths and estuaries. |
The '''Portugese oyster''', ''Crassostrea angulata'', is a species of oyster found in the southwest [[Iberian Peninsula]], closely related to the [[Pacific oyster]]. Although first identified as a native European species, genetic studies have suggested that the Portugese oyster originated from the Pacific coast of Asia and was introduced to Europe by Portugese trading ships in the 16th century. The species are usually found in coastal river mouths and [[estuaries]]. |
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==Commercial Value== |
==Commercial Value== |
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Prior to decimation by iridoviral disease in 1969, ''C.angulata'' was extensively cultivated in France and Portugal as part of the edible oyster industry. The Pacific oyster, which is more resistant to the disease, was introduced in the 1970's and have since replaced ''C. angulata'' as the main commercial species. Currently, the Portugese oyster is not cultured |
Prior to decimation by iridoviral disease in 1969, ''C.angulata'' was extensively cultivated in France and Portugal as part of the edible oyster industry. The Pacific oyster, which is more resistant to the disease, was introduced in the 1970's and have since replaced ''C. angulata'' as the main commercial species. Currently, the Portugese oyster is not cultured commercially. |
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==References== |
==References== |
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Revision as of 21:25, 2 August 2009
| Portugese oyster | |
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| Species: | C. angulata
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| Binomial name | |
| Crassostrea angulata (Lamarck, 1819)
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The Portugese oyster, Crassostrea angulata, is a species of oyster found in the southwest Iberian Peninsula, closely related to the Pacific oyster. Although first identified as a native European species, genetic studies have suggested that the Portugese oyster originated from the Pacific coast of Asia and was introduced to Europe by Portugese trading ships in the 16th century. The species are usually found in coastal river mouths and estuaries.
Commercial Value
Prior to decimation by iridoviral disease in 1969, C.angulata was extensively cultivated in France and Portugal as part of the edible oyster industry. The Pacific oyster, which is more resistant to the disease, was introduced in the 1970's and have since replaced C. angulata as the main commercial species. Currently, the Portugese oyster is not cultured commercially.
References
- [1], Lapegue S, et al. 2004. Evidence for the presence of the Portuguese oyster, Crassostrea angulata, in northern China. Journal of Shellfisheries Research.
- [2], Michinina S and Rebordinos L. 1997. Genetic differentiation in marine and estuarine natural populations of Crassostrea angulata. Marine Ecology Progress Series.
- [3], Boudry P et al. 1998. Differentiation between populations of the Portuguese oyster, Crassostrea angulata (Lamark) and the Pacific oyster, Crassostrea gigas (Thunberg), revealed by mtDNA RFLP analysis. Journal of experimental marine biology and ecology.
- [4], Gill Disease of Portugese oysters. Fisheries and Oceans Canada.