BIOTIC Species Information for Luidia sarsi
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| Researched by | Morvan Barnes | Data supplied by | MarLIN | ||||||||||||
| Refereed by | This information is not refereed | ||||||||||||||
| Taxonomy | |||||||||||||||
| Scientific name | Luidia sarsi | Common name | A starfish | ||||||||||||
| MCS Code | ZB23 | Recent Synonyms | |||||||||||||
| Phylum | Echinodermata | Subphylum | Asterozoa | ||||||||||||
| Superclass | Class | Asteroidea | |||||||||||||
| Subclass | Order | Paxillosida | |||||||||||||
| Suborder | Family | Luidiidae | |||||||||||||
| Genus | Luidia | Species | sarsi | ||||||||||||
| Subspecies | |||||||||||||||
| Additional Information | |||||||||||||||
| Taxonomy References | Southward & Campbell, 2006, Hayward & Ryland, 1995b, Howson & Picton, 1997, | ||||||||||||||
| General Biology | |||||||||||||||
| Growth form | Radial Stellate |
Feeding method | Predator Scavenger |
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| Mobility/Movement | Crawler Burrower |
Environmental position | Epifaunal Infaunal |
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| Typical food types | Mostly echinoderms but also polychaetes, molluscs, crustaceans and probably carrion | Habit | Free living | ||||||||||||
| Bioturbator | Not relevant | Flexibility | High (>45 degrees) | ||||||||||||
| Fragility | Intermediate | Size | Medium-large(21-50cm) | ||||||||||||
| 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 | Fish & Fish, 1996, Fenchel, 1965b, Brun, 1972, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, | ||||||||||||||
| Distribution and Habitat | |||||||||||||||
| Distribution in Britain & Ireland | Found on all British coasts except the southern coasts of England. | ||||||||||||||
| Global distribution | Found in north-west Europe from Denmark to the Shetlands and northern France. | ||||||||||||||
| Biogeographic range | Temperate. | Depth range | From 10 m to 600 m, seldom down to 1300 m depth. | ||||||||||||
| Migratory | Non-migratory / Resident | ||||||||||||||
| Distribution Additional Information | |||||||||||||||
| Substratum preferences | Muddy gravel Sandy mud Mud Gravelly mud |
Physiographic preferences | Open coast Offshore seabed |
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| Biological zone | Upper Infralittoral Lower Infralittoral 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 | Thorson, 1961, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, | ||||||||||||||
| Reproduction/Life History | |||||||||||||||
| Reproductive type | Gonochoristic |
Developmental mechanism | Not researched |
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| Reproductive Season | Not researched | Reproductive Location | Insufficient information | ||||||||||||
| Reproductive frequency | Annual protracted | Regeneration potential | Yes | ||||||||||||
| Life span | 3-5 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 | Fish & Fish, 1996, Domanski, 1984, Thorson, 1961, Southward & Campbell, 2006, Picton, 1993, Hayward & Ryland, 1995b, | ||||||||||||||
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