AquaNISInformation system on aquatic non-indigenous and cryptogenic species |
Species | Crassostrea virginica | |
Date of the first record (?) | 1872 |
Recipient region (?) | Country: United Kingdom (Britain) LME: 22. North Sea |
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Source region (?) | Country: USA References (not structured): Utting SD, Spencer BE (1992) Introductions of marine bivalve molluscs into the United Kingdom for commercial culture - case histories. International Council for the Exploration of the Sea, Marine Scientific Symposium 194: 84-91. Comments: Oysters known as 'blue points' were from Long Island Sound. |
Pathway / Vector (?) | Level of certainty: Direct evidence Pathway: Culture activities Vector: Intercontinental stock movement References (not structured): Utting SD, Spencer BE (1992) Introductions of marine bivalve molluscs into the United Kingdom for commercial culture - case histories. International Council for the Exploration of the Sea, Marine Scientific Symposium 194: 84-91. Comments: Oysters were collected from Long Island Sound and placed in barrels for sea transport to Britain. |
Habitat type (?) | Estuary Sheltered coastal area Comments: Oysters are no longer imported and occasional shells of this oyster can still be found. |
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Wave exposure (?) | Sheltered Comments: Half-grown oysters were raised for a growing season and then sold. No longer cultivated. |
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Salinity range (?) | Venice system: 5. α-Mesohaline [10-18psu] 6. Polymixohaline [18-30psu] 7. Euhaline [30-40psu] |
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Temperature range (?) | Unknown |
Zonation / Substratum (?) | Benthic: Littoral (Benthic) Sublittoral within photic zone Substratum: Soft (mud to pebbles) Comments: Introduced as deck cargo on ships, once steam became available as power. |
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Reproductive duration (?) | Unknown | |
Reproductive seasonality (?) | Unknown | |
Migration pattern (?) | Unknown |
Population status (?) | Extinct (no recent record) (Moderate level of certainty) References (not structured): Utting SD, Spencer BE (1992) Introductions of marine bivalve molluscs into the United Kingdom for commercial culture - case histories. International Council for the Exploration of the Sea, Marine Scientific Symposium 194: 84-91. Comments: Species was not known to reproduce in British waters. |
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Species status (?) | Non-indigenous species References (not structured): Utting SD, Spencer BE (1992) Introductions of marine bivalve molluscs into the United Kingdom for commercial culture - case histories. International Council for the Exploration of the Sea, Marine Scientific Symposium 194: 84-91. |
Created by | Dan Minchin, 2012-03-07 |
Last update by | Elizabeth J. Cook, 2013-11-13 |