BIOTIC Species Information for Colus gracilis
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| Researched by | Lizzie Tyler | Data supplied by | University of Sheffield | ||||||||||||
| Refereed by | This information is not refereed. | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Colus gracilis | Common name | A gastropod mollusc | ||||||||||||
| MCS Code | W715 | Recent Synonyms | |||||||||||||
| Phylum | Mollusca | Subphylum | |||||||||||||
| Superclass | Class | Gastropoda | |||||||||||||
| Subclass | Prosobranchia | Order | Neogastropoda | ||||||||||||
| Suborder | Family | Buccinidae | |||||||||||||
| Genus | Colus | Species | gracilis | ||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Howson & Picton, 1997, Hayward & Ryland, 1995b, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Turbinate |
Feeding method | Predator Scavenger |
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| Mobility/Movement | Crawler |
Environmental position | Epifaunal Epibenthic |
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| Typical food types | Carrion as well as bivalves and certain polychaetes | Habit | Free living | ||||||||||||
| Bioturbator | Not relevant | Flexibility | None (< 10 degrees) | ||||||||||||
| Fragility | Robust | 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 | Observations of symbiosis between Colus gracilis and the cnidarian Hormathia digitata have been made (Ates, 1998). | ||||||||||||||
| Biology References | Hayward & Ryland, 1995b, Seaward, 1982, Christensen, 1980, Graham, 1988, Philippart, 1998, Ates, 1998, Hayward & Ryland, 1990, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | Found throughout much of the British Isles and Ireland , less so in the southern North Sea and the English Channel. | ||||||||||||||
| Global distribution | Found in north-west Europe from Norway to the Shetlands (and possibly further north) and south to Spain and the Azores. | ||||||||||||||
| Biogeographic range | Temperate. | Depth range | 30 - 80 m | ||||||||||||
| Migratory | Non-migratory / Resident | ||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Coarse clean sand Fine clean sand Sandy mud Muddy sand |
Physiographic preferences | Open coast Offshore seabed |
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| Biological zone | Lower Infralittoral Upper Circalittoral Lower Circalittoral Circalittoral Offshore |
Wave exposure | Not relevant |
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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, Seaward, 1982, Christensen, 1980, Hayward & Ryland, 1990, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Gonochoristic |
Developmental mechanism | Direct Development Brooding |
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| Reproductive Season | Not researched | Reproductive Location | As adult | ||||||||||||
| Reproductive frequency | Annual protracted | Regeneration potential | No | ||||||||||||
| Life span | 21-100 years | Age at reproductive maturity | 6-10 years | ||||||||||||
| Generation time | Not researched | Fecundity | |||||||||||||
| Egg/propagule size | Fertilization type | Internal | |||||||||||||
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| Reproduction Preferences Additional Information | |||||||||||||||
| Reproduction References | Hayward & Ryland, 1995b, Seaward, 1982, Graham, 1988, Fetter & Graham, 1962, | ||||||||||||||
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