BIOTIC Species Information for Pseudamussium septemradiatum
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| Researched by | Morvan Barnes | Data supplied by | MarLIN | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Pseudamussium septemradiatum | Common name | Seven rayed scallop | ||||||||||||
| MCS Code | W1791 | Recent Synonyms | |||||||||||||
| Phylum | Mollusca | Subphylum | |||||||||||||
| Superclass | Class | Pelecypoda | |||||||||||||
| Subclass | Order | Ostreoida | |||||||||||||
| Suborder | Pectinina | Family | Pectinidae | ||||||||||||
| Genus | Pseudamussium | Species | septemradiatum | ||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Matsumoto & Hayami, 2000, North, 1951, Howson & Picton, 1997, Hayward & Ryland, 1995b, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Bivalved |
Feeding method | Active suspension feeder Surface deposit feeder |
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| Mobility/Movement | Swimmer Temporary attachment |
Environmental position | Epifaunal Epibenthic |
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| Typical food types | Suspended organic particles and phytoplankton | Habit | Free living | ||||||||||||
| Bioturbator | Not relevant | Flexibility | None (< 10 degrees) | ||||||||||||
| Fragility | Intermediate | Size | Small-medium(3-10cm) | ||||||||||||
| Height | Not researched | Growth Rate | Not Researched | ||||||||||||
| Adult dispersal potential | Not researched | Dependency | Independent | ||||||||||||
| Sociability | Solitary | ||||||||||||||
| Toxic/Poisonous? | No | ||||||||||||||
| General Biology Additional Information | |||||||||||||||
| Biology References | North, 1951, Mohlenberg & Riisgard, 1978, Hayward & Ryland, 1995b, Tebble, 1966, Christensen, 1980, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | Found off the west coasts of Scotland and the coasts of Northumberland and Durham. | ||||||||||||||
| Global distribution | Found in north-west Europe from Norway to the Shetlands and south to Spain and the Canary Isles and in the Meditteranean. | ||||||||||||||
| Biogeographic range | Temperate to warm temperate. | Depth range | From 15 m to 300 m depth. | ||||||||||||
| Migratory | Non-migratory / Resident | ||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Gravel / shingle Coarse clean sand Fine clean sand Muddy sand Gravelley sand |
Physiographic preferences | Open coast Offshore seabed |
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| Biological zone | Upper Circalittoral Lower Circalittoral Circalittoral Offshore Bathybenthic (Bathyal) |
Wave exposure | Field unresearched |
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| Tidal stream strength/Water flow | Field unresearched |
Salinity | Full (30-40 psu) |
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| Habitat Preferences Additional Information | |||||||||||||||
| Distribution References | Hayward & Ryland, 1995b, Tebble, 1966, Seaward, 1982, Christensen, 1980, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Gonochoristic |
Developmental mechanism | Not researched |
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| Reproductive Season | Not researched | Reproductive Location | Water column | ||||||||||||
| Reproductive frequency | Annual protracted | Regeneration potential | No | ||||||||||||
| Life span | 6-10 years | Age at reproductive maturity | 1 year | ||||||||||||
| Generation time | Not researched | Fecundity | Insufficient information | ||||||||||||
| Egg/propagule size | Insufficient information | Fertilization type | External | ||||||||||||
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| Reproduction Preferences Additional Information | |||||||||||||||
| Reproduction References | Hayward & Ryland, 1995b, Tebble, 1966, Christensen, 1980, | ||||||||||||||
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